Snapchat turns off its "heatmap" feature in Ukraine as a safety precaution, no longer showing how many snaps are being taken in particular locations (Mitchell Clark/The Verge)

Mitchell Clark / The Verge:
Snapchat turns off its “heatmap” feature in Ukraine as a safety precaution, no longer showing how many snaps are being taken in particular locations  —  Other companies have cut off sources of info on the public's movements  —  Snap has announced that it's temporarily turning off Snapchat's …