Virtu, a new e-mail tool, allows senders to revoke the ability to read sent e-mails. Fast Company http://bit.ly/LJ4IQ2
A new peer-reviewed article on RNA folding lists 37,000 authors -- who contributed by playing the video game EteRNA. http://bit.ly/1bv73nI
Springwise provides a database of over 5000 innovative business ideas. Access is $400 / year. http://bit.ly/1lIx3Ay
In addition to a "like" button, websites should also add a "respect" button to posts to reflect ideas that are important, even if you don't agree. This promotes better dialog. Democracy Fund http://bit.ly/19Eb46R
You can replace your ice cube trays with new spill-proof tubes, designed by the crowd on Quirky. http://bit.ly/QhUvKn
Volunteer user support systems can save 50% on costs for outsourcing technical support. Economist http://econ.st/Lkr4AS
Economist Magazine reviews how online services how allow you to share your house, your car, your tools -- even your clothes. http://econ.st/WMXr0o
British researchers are using video games to entice large numbers of people to help map brain connectivity. Economist http://econ.st/YU09k5
A Canadian start-up has marketing a plug-in for Microsoft Outlook which checks the tone of messages - allowing revision before sending. A NY Times best idea 2010.
A great example of a collaborative website driving a business, Threadless http://www.threadless.com lets users design t-shirts, vote on popular styles, and then buy most popular shirts produced by the company. "Naked no more."
Betting on everything -- with new sophistication and better user interfaces. Example site: Iowa Electronic Markets http://www.biz.uiowa.edu/iem/
Jigsaw allows users to pool contacts databases, requiring they either pay $25 / month or contribute 25 names. http://www.jigsaw.com.