Popular iOS app and webservice Instapaper by formerly-of-tumblr Marco Arment today announced a new API offering access to content users have added to their Instapaper account.
Instapaper (previous TUAW coverage) is a read-it-later type service born, as so many great apps are, of personal need. Arment would often come across long web posts he wanted to read at work, but at the same time was bored on a long train commute armed only with an iPhone and sketchy cell coverage. He wrote a quick service that would accept web pages from his browser and build a queue of
