Google buys Appjet the makers of EtherPad and they joined the Google Wave team. And even better they decided to open source Etherpad but keep the current version running while it get opened. Fantastic move on Appjet an Google's parts and the community has nothing but praise for this brave move. Hey and what a way to solve the biggest issue people have with Google Wave, buy the competition and adopt there UI team into yours. Google are on fine form.