CNET Update pays you back: Now playing: Watch this: Square lets you send money using e-mail 2:55 In this episode of Update: - Learn how easy it is to send money over e-mail for free with Square Cash. - See if a free smoothie can convince you to try Isis Mobile Wallet, a new service competing with Google Wallet. - Get tips on the new features of Windows 8.1, including how the Start button works. Subscribe:iTunes (HD) | iTunes (SD) | iTunes (HQ) RSS (HD) | RSS (SD) | RSS (HQ) Endgame review -- Three-hour Marvel thrill ride tops Infinity War: The satisfying superhero epic doesn't leave a second to spare. No spoilers. The Game Boy was designed to last for a lifetime (my lifetime): On its 30th anniversary, a look at what made the original Game Boy so special.