For most of ProgrammableWeb's nearly six years, there were two things that always remained true about the mashup directory. First, that Google Maps is the most popular API used to create mashups. And second, that Flickr is a distant second, but well ahead of third. Recently one of these is no longer true, as the Twitter API has passed Flickr in popularity.
Your phone may soon be all you will ever need to carry around. Up until now, your online identity and the real world hasn't mixed. We have ways of authenticating offline and different methods online. Enole is trying to fix that, with an uncomplicated RESTful web service that enables developers to store user details alongside a mobile device ID.