ifttt / About ifttt. Sounds interesting: a simple event-action mechanism on the web that can connect various channels (Facebook, Twitter, Email, and so on) with actions - for example, create a tweet when someone tags you in a picture on Facebook or something like that. Although you probably have to provide your login details for some services, which you shouldn't necessarily do for every service ... (still in beta, access only by invitation) - a few more details about the motivation and the ideas behind it on the IfThisThenThat blog.