Key TakeawaysMeta announced the Quest 3S, the newest version of its Quest line of mixed-reality headsets, during the first day of its annual Connect conference Wednesday.The lower-cost headset will start at $299.99, compared to the existing$499.99 Quest 3 and Apple's nearly $3,500 Vision Pro.CEO Mark Zuckerberg also highlighted new AI features for Meta's Ray-Ban smart glasses and the introduction of celebrity voices for its Meta AI assistant. Meta Platforms (META) announced a number of new products on the ...