What I hate is when I am talking "about" Alexa and she starts listening in when she hears her name.
You then have to act like she's a kid and say "Well, I heard A-L-E-X-A/"that thing"/etc" instead of calling her by name ![]()
Example at http://www.cbsnews.com/news/6-year-old-brooke-neitzel-orders-dollhouse-cookies-with-amazon-echo-dot-alexa/
But I like this one best. Whenever you visit a home, check out if their Alexa is working by saying this:

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic