A plush Furby Connect, an interactive toy that, among other things, can smile back at a child and laugh when tickled, in New York, Dec. 14, 2017. Many manufacturers are promoting “connected” toys this holiday season, but once anything is online, cybersecurity experts warn, it is potentially exposed to hackers who could potentially see and hear whatever the toy sees and hears. (Tony Cenicola/The New York Times)