Hurricane Harvey rescuers turned to walkie-talkie app Zello while working to save thousands trapped by floodwaters last week. As Hurricane Irma runs through the Caribbean and approaches Florida, ...

Hurricane Florence has yet to make landfall — that’s expected Friday or Saturday — but the popularity of disaster-readiness apps is surging ahead of the storm. That’s a different story than last year, ...

Downloads of decentralized messaging app Bitchat are soaring in Jamaica as 185 mph winds batter the Caribbean, knocking out regular communication channels. Jamaicans have rushed to download Jack ...