Facebook pokes Princeton back: Now playing: Watch this: Facebook bites back 2:56 In this episode of Update: - Facebook does some of its own research in response to Princeton's paper. - Rare NES game fetches thousands on eBay. - Is a new Apple TV incoming? - The Macintosh celebrates 30 years. - Bitcoin is now being accepted at TigerDirect. CNET Update delivers the tech news you need in under three minutes. Watch Bridget Carey every afternoon for a breakdown of the big stories, hot devices, new apps, and what's ahead. Subscribe to the podcast via the links below. 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.