Remember the 2014 critically acclaimed American Sci-fi rom-com Her? The Joaquin Phoenix-led movie was loved by movie-goers and tech-enthusiasts across the globe. A movie about how an introverted, lonely writer buys an AI system to help with work, only to fall in love with it. Cut to 2022, it may no longer be just an AI present in the film. On December 2, a dialogue between a The New York Times journalist and a Silicon Valley tech entrepreneur on free speech and censorship was shared by Elon Musk in a quick tweet to his 119.8 million followers, which left the Internet users in a frenzy.

Bank of America hits a milestone with Erica. It's not only fintechs that can lure millions of customers their way. Bank of America's voice-activated virtual assistant Erica now has more than ten million users. It's also on track to complete 100 million client requests in the coming weeks and that's all since its launch in June of 2018. "Erica is ushering in a new era of personalized banking and providing our clients never-before-possible convenience," said David Tyrie, head of advanced solutions and digital banking at Bank of America in prepared remarks.

While most other recommender systems have a small pool of possible candidates (like 100,000 film titles on a movie review site), Pinterest has to recommend from a catalog of more than 4 billion ideas. To make it happen, we built Pixie, a flexible, graph-based system for making personalized recommendations in real-time.