UPDATE2: here is what I decided to do. I reenabled flash plugin on my google chrome. Now, everytime I use flash and have finished, I simply fire up activity monitor and kills chrome's flash handling process. I noticed it keeps using cpu even after I closed the page which used flash :) I think this way I can save on battery and heating. Let's see how far I can go with this setup. UPDATE : well, it seemed I could couldn't go too far. There were a lot of videos I couldn't load anymore. Back to flash! :) After seeing this post from John Gruber, I decided to remove flash from my macbook and disable it from Chrome. Let's see what happens. I notice since a long time ago that Flash eats up a lot of cpu power. I think it only works ok on MS Windows. I hope Adobe can fix that. I also opted in for youtube html5 version. So youtube videos are seeing in webm or h264. The problem is that those videos seem to eat up more cpu power than flash! :( Another big missing thi...