Well obviously there’s plenty of blogs (not least EdBrill.com) that you can read. The presentations are also gradually being uploaded into the Lotusphere community on the Greenhouse.
Taking Notes Episode 148: 2012.01.24 – Alistair Rennie on Lotusphere 2012 and Getting Social
Taking Notes Episode 149: 2012.01.27 – Learn about OpenSocial with Ryan Baxter and Mikkel Heisterberg
Taking Notes Episode 150: 2012.02.09 – Activity Streams of the Future, with Alan Lepofsky
This Week in Lotus 086 – Live from Lotusphere 2012
This Week in Lotus 087 – Where’s the ’Do Not Disturb’? (covering IBM Quickr futures)
This Week in Lotus 088 – UltraAJAXersize (featuring Jason Dumont) (covering Lotus Notes, iNotes and Connections Mail)
This Week in Lotus 089 – Lotuslive becomes SmartCloud for Social Business
All are worth listening to if you want to get up to date.