Anyone watched the movie "Nerve.
@Asishdavid No, I haven't, but went to look what it is all about. IMDB has a page: https://www.imdb.com/title/tt3531824/
...and Bing has a trailer. 
https://www.bing.com/videos/search?q=movie+%22Nerve&view=detail&mid=259BB527A17B3D610F71259BB527A17B3D610F71&FORM=VIRE0&mmscn=tpvh&ru=%2fsearch%3fq%3dmovie%2b%2522Nerve%26PC%3dIS45%26PTAG%3dSYS1000000%26form%3dISCHR1
@Asishdavid Ooooh -- that one that leaded kids to commit suicide?
Geez.