Mark Holmquist wrote:
(I'm leaving out arguments about the decision to host with Google, but it seems like a relevant thing, perhaps there are archived discussions that I could read?)
The Wikimedia Foundation's decision to switch to Google Apps came up on foundation-l in October 2010. The relevant thread can be found here: http://lists.wikimedia.org/pipermail/foundation-l/2010-October/thread.html (search for "Google Apps").
MZMcBride