Eelco Lempsink is...

• the co-founder of Tupil
• @eelco on Twitter
• @eelco on Alpha (app.net)
• himself on Facebook
• a former masters student at Utrecht, graduated cum laude with a thesis about `Generic type-safe diff and patch for families of datatypes'
• the creator of the 3VOOR12 Luisterpaal + Last.fm
• one of the writers of the Tupil Code Blog