Yep. At today's event they revealed the polished version of the feature, which lets you define the area to cache by hand, and provides a formal UI for managing

Yep. At today's event they revealed the polished version of the feature, which lets you define the area to cache by hand, and provides a formal UI for managing your cached areas and telling you how much data it will require. Here's the demo: http://www.youtube.com/watch?v=HMBJ2Hu0NLw#t=3551s http://www.youtube.com/watch?v=HMBJ2Hu0NLw#t=3551s