Zimbabwe plans to launch digital currency backed by gold
US agency raises 'serious concerns' about tech visa lottery
Judge rules against Google, allows antitrust case to proceed
Huawei 1Q revenue edges up, profit margin narrows
NYC transit agency ends Twitter alerts, says it's unreliable
Telegram CEO claims complying with Brazil order impossible
Amazon stocks surge after Q1 revenue, profit wins
Microsoft's 'good guy' approach frays in UK gaming battle
