I spoke this morning at F# Exchange and this being SkillsMatter they've published the recording already.
It's a nice short talk, weighing in at about 15 minutes. So grab yourself a coffee and take a short tour of how some of F#'s more esoteric features (active patterns, computational expressions, quotations and type providers) have been used to solve real problems in the real world.
Video here: https://skillsmatter.com/skillscasts/7735-fixing-real-life-problems-from-the-ivory-tower
Slides here: http://blog.mavnn.co.uk/FromTheIvoryTower/