Twitter to shut down streaming app Periscope by March
https://www.reuters.com/article/twitter-periscope/twitter-to-shut-down-streaming-app-periscope-by-march-idUSKBN28P2VH
Twitter Inc on Tuesday said it would shut down live-streaming app Periscope, which it bought in 2015, due to declining usage over the past couple of years and high supporting costs.