By Brady Forrest

Dopplr, the traveler’s social network, punctuates its releases with conferences. Today they are announcing the Berlin release to coincide with the Web 2.0 Expo Berlin. In it they are including a number of features that they have trickled out since their last release (Amsterdam to coincide with Picnic). In it they are releasing trip pages, a blog badge (viral marketing), and a coincidences feed.

As a Dopplr user it’s the coincidence feed…