Google Keep note taking service officially launches on web and Android (video)

The Google Keep note taking service that leaked out a few days ago has officially launched. There's a website and an Android app for now, and a post on the Google Drive blog it's intended for users to quickly jot down ideas. They're saved on Google Drive -- which probably explains why this exists instead of the axed Google Notebook service -- and on Android 4.2.2 there's a lock screen widget available for even easier access. Check after the break for a trailer explaining the new service's featur...