We have 2 Amazon Dot devices. We love these and are very impressed that they seem to be good at voice recognition, even managing to understand my poor voice.
Some get very worried about it spying and harvesting all sorts of private data. The answer is simple: turn it off when not in use!
We like the idea of news, weather and any kind of music on tap and the timers, which are really useful when cooking.
I bought mine really cheaply when they were on offer. My wife thought I was mad, but she uses Alexa far more than me!