Dan Lawyer has written a short article in the FamilySearch Labs blog that gives a quick preview of what I believe will be a revolutionary new tool for genealogists. Dan writes:
FamilySearch Alpha is the beginning of a great new world. The purpose of the project is to replace the current www.FamilySearch.org website with a new site at the same address that integrates all of the new technologies and record sets we’ve been working on (like Record Search, Family Tree, Research Wiki, etc.) into one easy to use experience.
You can read the full article and some readers' comments at http://labs.familysearch.org/blog/?p=110.