October 1, 2025 at 1:00 PM UTCAlphabet Inc.’s Google introduced a range of new Nest-branded hardware on Wednesday, just a day after Amazon.com Inc. held its own product showcase, as both companies vie to more deeply integrate artificial intelligence throughout the smart home.The latest Google devices include a pair of video cameras, a new doorbell and a compact speaker that plays sound in every direction. The three camera-based products — the third-generation Nest Cam Indoor ($100), second-gen N...