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	Samsung Galaxy S5	Sony Xperia Z2	LG G Pro 2	HTC One
Starting price	N/A	N/A	N/A	Free (on-contract)
Known Dimensions	5.59 x 2.85 x 0.32 inches (142 x 72.5 x 8.1mm)	5.78 x 2.89 x 0.32 inches (146.8 x 73.3 x 8.2mm)	6.22 x 3.22 x 0.33 inches (157.9 x 81.9 x 8.3mm)	5.41 x 2.69 x 0.37 inches (137.4 x 68.2 x 9.3mm)
Weight	5.11 oz (145 g)	5.57 oz. (158g)	6.07 oz. (172g)	5.04 oz. (143g)
Screen size	5.1 inches	5.2 inches	5.9 inches	4.7 inches
Screen resolution	1,920 x 1,080 (432ppi)	1,920 x 1,080 pixels (424ppi)	1,920 x 1,080 pixels (377ppi)	1,920 x 1,080 pixels (468ppi)
Screen type	Super AMOLED Full HD	Triluminos Full HD (IPS)	Full HD IPS	S-LCD3
Battery	2,800mAh (user removable)	3,200mAh	3,200mAh (user removable)	2,300mAh (non-removable)
Internal storage	16 / 32GB	16GB	16 / 32GB	32 / 64GB
External storage	microSD (up to 128GB)	microSD (up to 64GB)	microSD	None
Rear camera	16MP, LED flash, OIS,	20.7MP, LED flash, OIS	13MP, LED flash, OIS+	4MP, LED flash, UltraPixel, OIS
Front-facing cam	2.0MP	2.2MP	2.1MP	2.1MP
Video capture	4K	4K	4K	1080p
NFC	Yes	Yes	Yes	Yes
Bluetooth	v4.0	v4.0	v4.0	v4.0
SoC	2.5GHz Qualcomm Snapdragon 800	2.3GHz Qualcomm Snapdragon 801	2.26 GHz Qualcomm Snapdragon 800	1.7GHz Qualcomm Snapdragon 600
GPU	Adreno 330	Adreno 330	Unspecified	Adreno 320
RAM	2GB	3GB	3GB	2GB
WiFi	802.11a/ac/b/g/n, dual-band	802.11a/ac/b/g/n, dual-band	802.11a/ac/b/g/n, dual-band	802.11a/ac/b/g/n, dual-band
Operating system	Android 4.4	Android 4.4	Android 4.4	Android 4.4
Standout features	Fingerprint scanner, heart rate sensor, Ultra Power Saving Mode, IP67 certified, 4K video	IP58 certified, BRAVIA screen tech, Exmor RS camera, 4K video	KnockCode, Backside buttons, Mini view, Multi Window	UltraPixel camera, Zoe, BoomSound, BlinkFeed

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15 best add-ons for Firefox selected by PCMag:

 

1. Site to Phone

Do you want to input links from computer to mobile devices? This add-on can help you. It can run well on iOS, Android, WebOS, Blackberry and Windows Phone 7.

 

2. FEBE

FEBE - Firefox Environment Backup Extension can back-up everything in Firefox including bookmarks, profiles, preferences, cookies, themes, and extensions.

 

3. Xmarks Bookmark Sync

You can sync bookmarks and passwords among Firefox, Chrome, Safari, and IE with this add-on.

 

4. LastPass

This add-on can help you manage accounts using in websites. You can also install and use this add-on in Chrome and IE.

 

5. Evernote Web Clipper

You can store everything you find on Internet. Web Clipper is an online database for you to save clips, links and websites.

 

6. Clearly

Clearly is another service of Evernote that can store and simplify news, blog entries, and websites so that you can manage and analyze information more efficiently.

 

7. Personas Plus

Do you want to change the interface of Firefox? This add-on allows us to change the display of Firefox including themes, background images, toolbars, and buttons.

 

8. Tab Mix Plus

You can do everything with tabs using this add-on.

 

9. DownThemAll

With this add-on, you can perform batch downloading for a whole webpage. You can also specify the file types that you want to download.

 

10. Greasemonkey

With this add-on, you can use scripts to access to websites. You also can write your own scripts with Greasemonkey.

 

11. WOT

With WOT – Web of Trust, you can check a website is safe or not. Thus, you can surf web safer with this add-on.

 

12. IE Tab

If you want to access to websites that only run well with IE or you want to test a website with IE, you can use this add-on.

 

13. Yoono

If you join many social networks, this add-on can help you manage your accounts easily. It can display all information from Facebook, Twitter, LinkedIn, Youtube, etc.

 

14. Flashblock

All flash objects on the websites can be blocked with Flashblock.

 

15. FastestFox

FastestFox helps you access and explore websites faster.

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8 Best Android tablets

2011 is a memorable year of Android tablets since Google released their Honeycomb Android OS.

1. Amazon Kindle Fire (199 USD)

Kindle Fire has multi-touch IPS technology screen (1024x600) which can display 16m colors. It is covered by Gorilla Glass. The best thing of this tablet is its low price. However, Kindle Fire doesn’t have 3G and cameras which are available on most of tablets.

2. Acer Iconia Tab A100 (329 USD - 8GB and 349 USD - 16GB)

This 7” tablet can run well with more than 200000 apps and is powered by Android 3.2 Honeycomb. It has awesome hardware specification: NVIDIA Tegra dual-core 1GH CPU, 5MP camera with auto focus and flash, Bluetooth 2.1.

3. Asus Eee Pad Transformer Prime (499 USD - 32GB; 599 USD - 64GB)

This is the first tablet powered by NVIDIA Tegra 3 quad-core CPU. It may be the best Android tablet that you can find.

4. Barnes & Noble Nook Tablet (249 USD - 16GB)

Barnes & Noble Nook Tablet is a good tablet for reading books and magazines but not good for entertainment. It has 1024x600 wide angle 7” screen, OMAP4 1GHz CPU, and 1GB RAM.

5. Asus Eee Pad Transformer TF101 (399 USD - 16GB and 499 USD  - 32GB)

The most wonderful feature of this tablet is its keyboard. It is the tablet of the year.

6. Lenovo IdeaPad Tablet K1 (499,99 USD - 32GB)

This tablet provides you good experience with Android Honeycomb OS and awesome interface.

7. Samsung Galaxy Tab 7.0 Plus (~$600)

It is the upgraded version of Galaxy Tab 7 with slimmer design and stronger hardware. Now this tablet can be used as a mobile phone.

8. Samsung Galaxy Tab 8.9 (~$600 - 16GB)

This tablet is very thin and light. However, this model doesn’t contain many apps designed for tablets.

 

10 worst Android tablets

1. Pandigital SuperNova

This tablet is light and easy to hold. However, it has a bad screen with narrow view angle. It cannot access to Android Market and is covered by cheap plastic. It looks like a kid toy!

2. Velocity Micro Cruz T301

This tablet runs Android 2.2 and has 7” screen. The screen and design are not good and it doesn’t have many apps. This tablet is only good for checking mail, surfing web but not for reading e-books and playing games because the battery life is short.

3. ViewSonic ViewPad 10

This tablet can run Windows 7 and Android (2.2). It cannot access to Android Market. It has several interface and connection problems.

4. Archos 80 G9

It can capture video 1080p.  However, it is bulky and not easy to hold. The design is bad and the locations of buttons are not good. The quality of camera is also very bad.

5. Coby Kyros

This low-cost tablet runs Android 2.2, supports HDME, and has microSD slot. However, the quality of camera and touch screen is not good. This tablet is ugly, has short battery life, and doesn’t support Adobe Flash and Google apps.

6. Maylong M-150

Maylong M-150 is one of the cheapest tablets on market. However, it’s not good at all. It has bad screen, weak battery, and low performance. You will feel regret if you buy it.

7. Fusion Garage Grid10

Fusion Garage Grid10 has rather good design and light weight. It has only one interface and weak battery.

8. ViewSonic G Tablet

It is the only one 10” low-cost tablet. It doesn’t have Google apps and Android Market. Other apps are not good either.

9. Archos 101 G9 (8GB)

It’s very bulky. The quality of its camera is bad and the buttons are located in bad places.

10. Velocity Micro Cruz T408 and T410

Before Kindle Fire, it is one of the best Android tablet for 200$. Now, it’s not worth to buy it anymore.

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It's difficult to choose a tablet among many Android tablets on market. If you can, buy high-class tablets so that you can enjoy all features of Android OS.

Acer Iconia A500

Iconia A500 runs Honeycomb 3.3 and has good design and color. It is powered by dual-core Tegra 2 1GHz processor, 2 cameras (2MP and 5MP), 10.1” LCD (1280x800) with wide angle.  It is rather thin (13.3mm) and light (765g). It has long life battery, USB, mini HDMI, audio jack 3.5mm, and micro USB. You also can choose a smaller tablet 7” A100.

Score: 7,5/10.

Asus Eee Pad Slider

There are 2 models: Slider and Transformer. You can input text easily with Slider. The main feature of this tablet is its full QWERTY keyboard.

Score: 8/10.

Transformer contains an awesome LCD IPS (1280x800) and a separate keyboard. It is powered by Honeycomb OS which is optimized for tablets. It is one of the lightest 10.1” tablets (675g).

Score: 8.5/10.

HTC Flyer

Flyer has 7” screen (1024x600). One of disappointed features is its Gingerbread OS which is not designed for tablets. It is powered by Qualcomm Snapdragon MSM8255T 1,5GHz, 1GB RAM, and aluminum cover. It is lighter than iPad 2 200g. You can touch by fingers or HTC Scribe touching pen. It doesn’t have HDMI or microUSB ports. You need to buy a cable to use its ExtMicro port.

Score: 7/10.

Lenovo ThinkPad

Since Lenovo ThinkPad has been developed for businessmen, it provides several useful features for processing your data. It contains several physical buttons. The app package of ThinkPad includes virtual keyboard swipe Flex T9, Documents To Go, and Citrix Receiver.

Score: 7.5/10.

LG Optimus Pad

It has 8.9” (1280x800) screen. Although you can capture 3D videos with two 5MP cameras, its screen cannot display 3D contents. The only good feature of this tablet is 3D tech.

Score: 4.5/10.

Motorola Xoom

It is a high-level tablet. You can watch videos in 8h with this tablet. The Motoblur interface is very beautiful.

Score: 8/10.

Samsung Galaxy Tab 10.1

One of the best Android tablets so far. It has a very good Swype keyboard but doesn’t have SD slot. You can owe Polaris Office and other apps when buying this tablet.

Galaxy Tab 10.1 is light (565g) and slim (8.5mm). It has 7000mAh battery. However, it doesn’t have HDMI port and port for charging battery.

Score 8.5/10.

Sony Tablet S

Sony Tablet S has 9.5” (1280x800) screen. This tablet is very good for entertainment.

Using plastic, this tablet is light (598g). You can also use it as a remove controller for TV, …

Score: 8,5/10.

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Voice, face, or movement recognition is not new but it allows to develop awesome devices.

Movement detection in Kinect

Kinect was introduced in 2010 and became popular in 2011. It is one of the best selling game devices. It has changed the way we play games (playing games without using controllers). The users now are “controllers”!. Maybe in the near future, with this technology, we won’t need remove controllers to control our TV.

Siri on iPhone 4S

The idea of using voice for interacting with devices is not new but Siri is the best voice interaction tool we have ever had on a real mobile device. After Siri, many other voice based apps have been announced.

Cloud services

This idea is also not new. The basic idea is to put all your data on cloud automatically so that you don’t need to worry about the failures of data storages and you can access and edit your data anytime and anywhere. However, in this year, with Cloud Derive and Cloud Player of Amazon, and iCloud of Apple, the cloud becomes popular.

Face recognition

In the beginning of this year, Facebook integrated the face recognition into their automatic photo tagging function. FB can automatically find and tag people in a image based on the face database generated from previous images. The face recognition is also used in Android 4.0 for unlocking Android devices.

Google auto driving cars

Google introduced their fist auto driving cars based on Google Maps and obstacle detection technology this year. Although they have encountered some accidents and problems with these cars, this technology provides promising results for future.

Glassless 3D

Several devices having glassless 3D screens were introduced, such as Nintendo 3DS and HTC EVO 3D. Although glassless 3D is now not very good and can make your eyes tired, it may be an important trend for 3D technology.

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In defaults, you can only watch videos having MPEG-4, H.264, and M4VS formats on iOS devices. To watch video files that have other formats, you must convert them first. With 5 free softs listed here, you can convert you video files easily.

1. Pazera Free Video to iPod Converter

Pazera Free Video to iPod Converter allows us to convert video files (AVI, DivX, XviD, MPEG, MPG, WMV, ASF, MOV, QT, FLV, SWF, MP4, M4V, 3GP, 3G2, MKV, VOB and DAT) to iPod. This soft is rather easy to use.

2. Leawo iPhone Converter

Leawo iPhone Converter is totally free. This soft supports most of video and audio formats, such as AVI, MOV, MP4, MPEG, WMV, ASF, MPG, WMA, 3GP, QT, DV, DAT, RMVB... This soft also allows you split or merge video files.

3. WinX Free iPhone Video Converter

WinX Free iPhone Video Converter is a good software for converting videos. It supports all popular formats (AVI, RM, RMVB, MPEG1/2, MP4, 3GP, 3G2, WMV, ASF, DivX, XviD, FLV). It has a simple interface and runs very fast. This soft also allows you to extract mp3 music from video files.

4. Videora iPhone Converter

Videora iPhone Converter is a free video converter developed by Videora. It can convert popular video formats to play on iPhone. You can also download other softs from Videora for converting video to iPod and iPad.

5. DVDVideoSoft iphone Video Converter

DVDVideoSoft iphone Video Converter helps you convert MP4 video files to play on iPhone. One of the good features of this soft is that you can choose to convert a part of video file. You can also use this soft to convert among popular video formats (target file formats: *.avi, *. mpg, mpeg, *.MPE, *. wmv, *. asf, *. mov, *. qt, *. amv, *. 3gp, *. 3g2, flv, * swf).