Facebook alert: what's next?

► Read more at https://on.ft.com/2Mgc5SK After tech group's share price plunge, what next for the social network? The FT's Hannah Kuchler posts from shareholder, advertiser and user perspectives. ► Subscribe to FT.com here: http://bit.ly/2GakujT ► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs For more video content from the Financial Times, visit http://www.FT.com/video Twitter   / ftvideo   Facebook   / financialtimes