Google I/O 2011 contained a lot of really valuable information the problem is digging it out of the huge number of videos that have been made available. To help with this problem here are the videos of the Android sessions roughly categorized.
If you are looking for information on the ADK and the Android Arduino connection it is in the Advanced topics group. There is also an interesting overview of Honeycomb in the General/Future group.
This is probably not what you think of when wearable computing is mentioned, but it's a really interesting idea and perhaps once we get over the shock and creepiness factor it will be the breakthrough [ ... ]
Microsoft has had a problem about how to make Universal Windows Apps easy to create from C++. The initial approach was to modify the language but this has now been dropped in favour of adding a l [ ... ]