The 'My Friend Cayla' doll was previously mentioned with regard to US COPPA law. Possible implications for other attentive listening assistants? In Engadget:
" ... German watchdog group the Bundesnetzagentur (Federal Network Agency for Electricity, Gas, Telecommunications, Post and Railway) warns that hackers can use Cayla to steal personal data through an unsecured Bluetooth connection. It's already removed the doll from store shelves, and it's encouraging parents to take precautions. ... "