Noisycameras made a Canon-Nikon-Leica trendspotting based on tumble. We made it better by adding Olympus and Panasonic. In the chart above you see what people is searching for in the tumble blog network. Olympus had his moment of glorious around June 16th.
Then I tried to add the “E-P1” search term and here are the results:
But of course the most complete trends are the one coming from google:
I suggest Olympus to release a camera every month in order to reach the canon search volume :)