United bans researcher from flight after 'joke tweet'

Discussion: https://news.ycombinator.com/item?id=9402336

Other submissions, some with a few comments:

https://news.ycombinator.com/item?id=9394364 : 4 comments

https://news.ycombinator.com/item?id=9397675 : 2 comments

https://news.ycombinator.com/item?id=9394147

https://news.ycombinator.com/item?id=9397814

https://news.ycombinator.com/item?id=9394147

https://news.ycombinator.com/item?id=9403338

https://news.ycombinator.com/item?id=9408368

There may be more ...