A Chinese personal safety app called Are You Dead? – recently rebranded as Demumu – has gone viral in recent weeks, attracting widespread media attention. https://t.co/i8Wc9Uo5Gk
@cz_binance@elonmusk the lonely group will become larger in next few years and will raise big market of the lonely economy.. #Demumu is going to be a part of this lets see..