It would be great if it would be possible to geotag thoughts based on location (Integrate with Google Maps/Earth, or Bing Maps, etc ...) as well as be able to associated a historical date/time (the later I think is already possible, but a bit cumbersome). Allowing for a Map View for example.

Reference:
http://forums.thebrain.com/post/geo-andor-timeline-tagging-of-thoughts-10139729?pid=1308571207