I've been an early beta tester and became premium member when they launched their mobile version (which you must pay to use). Now whenever I hear someone with t

I've been an early beta tester and became premium member when they launched their mobile version (which you must pay to use). Now whenever I hear someone with the ad supporter version I don't understand how they can stand all the commercials. I think they have about 5% paying customers which is pretty high. Considering they have a few million users it adds up to quite some revenue.