If math is about measurement, then Mathletics may have your child's number. Much like games that post the best scores of players, the Mathletics SOAP API makes student scores accessible to programs as well as its website.
Have you ever wondered how much traffic Twitter handles in a given day, or what software sits behind the curtain of the popular service? A recent presentation reveals some of the answers. Twitter's incredible growth becomes obvious when you compare the recent numbers to those announced at Chirp.
23andMe is a DNA analysis service that allows individuals to learn more about their DNA. Users can use the service to trace their ancestry, learn more about their present health and participate in research to benefit future generations. The company also offers this neatly categorized and searchable data to researchers and scientists.