phaaurlt at googlemail.com
Sat Dec 17 12:00:01 UTC 2011
Love it. The top level categories "View | Edit | Activity" make sense,
but IMHO the Activity tab has more potential. There are at least two
(1) Advancement of map data
I think a heat map  for the recent edits could work quite well as a
visualization. It may offer motivation and competition for mappers and
can be displayed for all zoom levels.
General online discussion; forum & mailing lists; How to get in touch
with local mappers, etc.
The history of changesets is somewhere in between, but it's relatively
 something like this: http://yosmhm.neis-one.org/
More information about the osmf-talk