Page is optimistic about Motorola, as he waxed poetic about its voice recognition features and stated that the Android ecosystem is healthy -- it now numbers 1 billion devices strong, and continues at a pace of 1.5 million more activations per day. The problem? Well, Moto's manufacturing is up to speed, but the process of building marketing and distribution are what's holding Moto back. Page and Google are also bullish on mobile video, announcing that a full forty percent of YouTube's revenue now flows from phones and tablets.