Web-based collaboration app developer 37signals has announced the purchase of the iPhone app Ember from developer Overcommitted. Ember was a native iPhone application for 37signals’ web-based conference app, Campfire that allows users to participate in chats, view transcripts, jump between chat rooms and share pictures in a Campfire chat. 37signals founder Jason Fried writes on the company’s blog that they considered Ember to be an excellent…
