http://www.myce.com/news/users-fix-samsung-smart-tv-time-two...
( See comments about said Samsung TVs ) - https://news.ycombinator.com/item?id=13581771
( See comments about said Samsung TVs ) - https://news.ycombinator.com/item?id=13581771
https://www.theguardian.com/technology/2015/feb/19/samsung-s...
Not sure if they were selling any of those data, anonymized or not, either.
edit: It's also worth pointing out that while technical people (e.g. us) may see voice recognition tech and immediately suspect that it involves phoning home, most people probably have no idea that anything of what they say is leaving their living room.