Browse popular gadget teardowns and follow the detailed instructions on how to correctly disassemble your gadget. You can also submit a gadget teardown of your own and get it published online for all the others to see and use.

Features:

• How To disassemble iPhones, PSP consoles and other popular electronic gadgets.
• Disassemble gudeis include step-by-step instructions with photos.
• Browse popular teardowns or submit your own gadget teardown online.

Checkout GadgetTeardowns @ www.ifixit.com/Teardown

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Venjuvo: Get Cash for Your Old Electronics and Gadgets
• The-Manuals: Free Manuals Search Engine
• SafeManuals : User Manuals for any Gadget
• OwnerIQ: Download Free User Manuals for Products
• ManualsOnline: Over 300,000 Free Downloadable Manuals

This is also a good site to understand Sudoku and how it is played. The Instructions page at SpeedSudoku has elaborate instructions on playing the game and various techniques associated with it. It also contains a series of videos which explain the game in detail. Below is the first video in the series.

Check out SpeedSudoku@ www.speedsudoku.com (By Abhijeet from Jeet Blog)

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Tubillar: Play Virtual Pool Game Online
• OnlineCrosswords: Free Printable Crossword Puzzles
• Maxithlon: Become Athletic Club Manager Online & Compete With Others
• JigsawBreak : Play Jigsaw Puzzles Online
• GotGame: Social Site For Gamers

Features:

• Online flash games directory.
• 250 games, all displayed on one page.
• Rollover with your mouse on icons to view game titles.
• Click on the game icon to start playing.
• Similar sites: Miniclip.

Check out Friv @ www.friv.com (via Orangelinks)

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Top 5: Addictive and Challenging Web Games (makeuseof.com)
• SpeedSudoku: Play Sudoku Against Others
• GotGame: Social Site For Gamers
• Games For The Brain : Online Puzzle Games
• FlashChess3: Play Chess Online Against Computer

All that user has to do is quickly install browser client and then assign a hot key which he presses whenever he wants to speak. (the hot key works regardless of which application is open).

The application allows 200 people per chat room and there is no limit on the number of chat rooms created (each room can be assigned separate hot key).

Features:

• Free online group voice chat for gamers and groups.
• Allows 200 people per chat room.
• No limit on the number of rooms.
• Invite others by forwarding a URL, (URL can also be customized).
• Requires quick installation of browser add-on.
• Voxli works on IE and Firefox (both Mac and Windows) support for other browsers is on the way.
• No registration and free for all group sizes during open beta.

Check out Voxli @ www.voxli.com (via TechCrunch)

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Talkster : Free Long Distance Calling
• Switchboard : Browser-to-Browser Internet Phone
• PermaTime: Easily Schedule Meeting Time Across Time Zones
• Foonz : Free Group Calls
• EasyTZ: Conference Call Scheduler with Time Zone Conversion

All the games can be played within the browser, with no downloads required. So as long as you have Internet, you can play those games via computer or any hand held device (you can even download those flash games to your PC). It has a vibrant user community, where registered users can challenge each other to play their favorite games, send messages and build their own game avatars.

• One of the biggest free casual gaming sites.
• Various game categories.
• Total 450 games. 2 new games every week.
• Available in 15 languages.
• Register to save game scores, message other users, get awards etc.
• All games are free.

Check out Miniclip @ www.miniclip.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Voxli: Group Voice Chatting Made Really Simple
• SwitchPlanet: Switch CDs, DVDs, Games and Books
• SpeedSudoku: Play Sudoku Against Others
• GotGame: Social Site For Gamers
• GameTrailers

Apart from browsing gaming videos by category and searching by title users can also check videos by user activity. Viewers may leave comments on videos and even share them on major social networks.

Features:

• Latest gaming news and videos.
• Search for videos or browse by the type of Game.
• Vote on a video, email it to a friend or share on social networks.
• Read popular columns related to video game news.
• Download ‘Rogue’, and surf the web while playing games in your browser.
• Listen to gaming radio shows and enter into contests.

Check out GotGame @ GotGame.com (by Tehseen Baweja from Ijaar.com)

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• SpeedSudoku: Play Sudoku Against Others
• Games For The Brain : Online Puzzle Games
• Friv: Free Collection Of Flash Games
• CanYouRunIt: Can Your Computer Run that Game?
• You Don’t Know Jack

Here is a list of available games:

Dragger, Counterfeit, Guess the Colors, Oooze, Rotate, Rotate², Chinese Checkers, Colored Lines, Masterpieces, Mastercards, Sudoku, Reversi, Mastermind, TwinCol, NumberHunt, MineHunter, Crime Scene, Mahjongg Solitaire, What Was There, The Image Quiz, TriviaNut, Guess the Flag, Marsmoney, Memocoly, Checkers, Chess, Word games, Lettermaze, Anagramania, Guess the Place, Letterama, SquareWords, What Word, Spellice, What Did I Search For, The WordHunt Game, SpeedType, and SpeedRead.

There are also a couple games that can be accessed from a mobile phone. These are Anagramania, Letterama, SquareWords, What Word and Spellice.

Some of the games can be embedded onto your blog, social networking profile or even iGoogle startpage.

Check out Games For The Brain @ www.gamesforthebrain.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• SpeedSudoku: Play Sudoku Against Others
• GotGame: Social Site For Gamers
• Friv: Free Collection Of Flash Games
• CanYouRunIt: Can Your Computer Run that Game?
• You Don’t Know Jack

How does it work?

• Select the game you plan to play and click run.
• Wait for about 1-2 minutes until it generates your report.

Features:

• Choose from more than 400 popular games. New games are added on a regular basis.
• Get custom upgrade recommendations depending on the games you want to play.
• Works with: Windows 98, 98SE, ME, 2000, XP, 2003, Media Center, and Vista.
• Supported browsers: Internet Explorer and Firefox.
• No registration required.
• CanYouRunIt evaluates only your hardware and software settings and does NOT collect any personal information.

Check out CanYouRunIt @ www.canyourunit.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• SpeedSudoku: Play Sudoku Against Others
• GotGame: Social Site For Gamers
• Games For The Brain : Online Puzzle Games
• Friv: Free Collection Of Flash Games
• You Don’t Know Jack

SwitchPlanet Features

• Active user-base and very rich item catalog.
• Browse marketplace items by category (Comedy, Animations, Music, Documentary, Cult Movies, etc.)
• Browse items by Most Wanted, Most Switched, Most Available, and Newest.
• One SwitchBuc is equivalent to 0.60 USD.
• Completely FREE: No transaction, sign-up or listing fees.
• Need to know more? Check out SwitchPlanet FAQ section, it has everything you may want to know.

SwitchPlanet introduction video

Update: The site is no longer online

Check out SwitchPlanet @ www.switchplanet.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Thrift Hunting : Compare Prices for CD, DVD, Books by UPC or ISBN
• SecondSpin: Trade Used DVDs, CDs & Games
• OurShelf: Online Cataloging Application for CDs, Books & DVDs
• BeepMyStuff: Catalog Movies, Books & Games using Barcodes
• PaperCase: Create and Print Paper Sleeves For Your CDs

• Download high definition previews/reviews/trailers of videogames
• Download or upload user contributed gameplays
• All videos are user-rated and show number of hits
• Search or browse through all videos by gaming platform (PS3, Xbox 360 etc), recent uploads, alphabetical order or top/best rated (top according to media/user rated/GameTrailers tv etc)
• Browse through other gaming industry related video’s such as interviews or news articles
• Join the GameTrailers community for sharing industry related news/insights/questions with other users

Visit: GameTrailers http://www.gametrailers.com/

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Voxli: Group Voice Chatting Made Really Simple
• SwitchPlanet: Switch CDs, DVDs, Games and Books
• SpeedSudoku: Play Sudoku Against Others
• Miniclip – Free Online Casual Games
• iTunes Trailers: Watch HD Movie Trailers Free