As with all LOTV projects, it will be open source.
We will be having a F2F meeting with leaders in the Social Networking Industry in May 2007 to discuss Open Standard creation so that a Meta-network of social networks might be formed. It will be video taped and video broadcasted.
More discussion about these Open Standards will be posted at identity.wikia.com
A basic description of a possible Data Model is here http://docs.google.com/Doc?id=dm9fvbb_0cgzp2r