Snapchat was the biggest winner the day Facebook's services went down

Snapchat use surged more than 20% after Facebook Inc.’s services went down for six hours Monday, the biggest winner among rival apps during the U.S. social media giant’s worst outage in years.
 

Facebook blamed network configuration glitches for immobilizing a suite of apps from Messenger to Instagram and driving some of its 2.7 billion daily users to the competition. Snap Inc. saw a 23% boost in time spent on its Android app on Monday compared with the same day the prior week, according to Sensor Tower data shared with Bloomberg News. That led gains in activity on apps from Telegram