As we hinted at yesterday , today marks the update for most of the Windows Live services to Wave 3. This release (Codename Peloton for those keeping track), is expected to mainly take place from 4pm PST onwards, and will include the release of new services such as Windows Live Groups, Photos and Profile as well as the significantly updated Home and Mobile offerings. No this doesn't include the release of Windows Live Essentials, the desktop applications. Note, Hotmail and Calendar are both on a different release schedule, and as such will remain at their Wave 3 Milestone 2 builds until a later