Spotify is going to announce that it's hit the 10 million users milestone later this month, according to a "special party" invitation sent to press and partners (image and source: Music Ally). That's about the same amount of users as there are tracks in its vast music catalog, to put things in perspective. As you're no doubt aware, Spotify's

Amid a lot of high-level debate about economics, Summer Davos mixed in a few just wacky mad-scientist-like inventors. One was Adrian D. Cheok, a professor at Keio University in Japan and the National University of Singapore. He even has an awesome