Definition of "AMA"

We did this after the company abruptly terminated Victoria Taylor, a Reddit employee who worked extensively with us as well as with other moderator teams on facilitating A.M.A.s.

2015 July 8, Brian Lynch, Courtnie Swearingen, “Why We Shut Down Reddit’s ‘Ask Me Anything’ Forum”, in The New York Times‎

While Obama’s AMA ended up being a bit bland, the experiences and knowledge shared by the vacuum repair man made it one of the most popular and memorable AMAs ever hosted.

2016 October 10, Will Cenci, “Why scientists should learn to love Reddit”, in The Guardian‎