Tweet Cloud is an online service that lets you generate a customizable word cloud from your tweet archive. Log in using your Twitter account to create and save multiple word clouds at an address like http://tweetcloud.icodeforlove.com/DavidHolmes - Clicking the image above will take you to the saved cloud page. Each page has a date stamp at the time of creation.
You can also view clouds by people you follow that also use Tweet Cloud, via the Friends link once logged in (top right). Recently created Tweet Clouds are shown on the homepage, which is useful for discovering people with similar interests.
Note that upon generation a tweet is automatically posted in your tweetstream along the lines of: " I just generated my #TweetCloud out of a year of my tweets - http://w33.us/1ta" or whatever the period it is you choose ie. a day, a week, a month, 3 months, 6 months, a year. You're also given a choice of small, medium, large or HUGE cloud sizes.Coded by: Chad Scira aka tumblr.icodeforlove.com
An online CO2 converter built by David Kjelkerud, Henrik Berggren and Jorge Zapico at Ecomo09, an environmental hacking day in London. It is designed to help you more easily understand what a kilogram of CO2 really means.
You can convert CO2 amounts to other units such as bottles of beer or compare different emissions for instance how many apples are equivalent to a litre of milk. The data used is mostly localized to Sweden.
David and Henrick also built http://citysounds.fm/ the web app that lets you listen to the latest music from cities around the world.
"Why let all of your ideas die with you? Current Copyright law prevents anyone from building upon your creativity for 70 years after your death. Live on in collaboration with others. Make an intellectual property donation. By donating your IP into the public domain you will "promote the progress of science and useful arts" (U.S. Constitution). Ensure that your creativity will live on after you are gone, make a donation today."
Via The Future of Music Distribution - a new tumblelog sharing notes on music distribution issues in the 21st century. Handy for tracking digital music news and developments.