Second Life in Education users are up at arms over the fact that Linden Lab has now decided that http://sleducation.wikispaces.com infringes on their SL trademark (which has been registered for 9 days.)
In my opinion this will push more people to options like Open Sim (we love Reaction Grid for ours.) You would think that they would have read the case studies on the mistakes of Microsoft when they "gave up" their monopoly when they got greedy and cornered the market. In this environment, people WILL make alternatives and this is not a group of people (the educators in SL) you want to be mad at you. These are the people who teach others how to do things, for goodness sakes - every company should wish for an army of free volunteers like Linden has.
Big mistake, Linden. Big mistake, but one that perhaps it will take years to see. I have seen educators who I have NEVER, I mean NEVER been angry at Linden angry.