Social media hammered by mounting questions over advertising

Social media has had a rough 2022 with lingering questions about advertising spending, political ads and a $44 billion takeover of Twitter that may or may not be happening, depending on which Elon Musk tweet you read.

Then late Monday Snap, which runs the Snapchat app that features vanishing messages and video special effects, issued a rather dire profit warning, saying that "the macroeconomic environment has deteriorated further and faster than anticipated," since just last month...