You may've noticed this: More than the usual number of people with phones in their hands have been bumping into things and each other lately. That's because of Pokémon GO, which market researcher MFour announced the other day had passed Twitter as the U.S.'s No. 1 app. "Fully a third of U.S. Android smartphone users 13 and over have downloaded the augmented reality game that’s become the talk of … [Read more...] about When Pokémon GO really gets epic