Wolfram|Alpha Words in a Word
Determine how many words you can make from a single word or specific set of letters.
Google Baraza
Google engineers have created Baraza to allow people in countries across Africa to ask questions and post answers to questions from others.
Betabrand
Each week, we release a new, limited-edition product (BetaPants) to a mailing list of subscribers.
Yahoo Clues
Yahoo! Clues lets you explore how people are using Yahoo! Search. When you enter a word or phrase in the “Search Term” field and click Discover, you’ll see information about that search term’s popularity over time, across demographic groups, and in different locations.
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Kroud
Kroud lets you build interactive FAQ pages for your business. Easily post questions & answers and engage with your community.
Infused Commerce
With Infused Commerce you can build, manage, and deploy a fully functioning store right within Facebook and in rich media ad units across the Internet.
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Stack Exchange Board and Card Games
Stack Exchange Board and Card Games
This is a collaboratively edited question and answer site for people who like playing board games, designing board games or modifying the rules of existing board games.
Stack Exchange IT Security
This is a collaboratively edited question and answer site for IT security professionals.
Stack Exchange Homebrewing
http://homebrew.stackexchange.com/
This is a collaboratively edited question and answer site for dedicated home brewers and serious enthusiasts.