Gaming giant Roblox Corp says it will roll out compulsory facial recognition or ID checks from next month for players wanting to access its chat features.
It is one of the world's most famous unsolved codes whose answer could sell for a fortune -- but two US friends say they have already found the secret hidden by "Kryptos."
A portrait by Austrian artist Gustav Klimt fetched $236.4-million in New York on Tuesday, becoming the second most expensive artwork ever sold at auction.