Snap's longstanding pitch as a safe haven for brands is paying off as advertisers boycott Facebook

· Snap CEO Evan Spiegel has long pitched his company as the anti-Facebook, and it appears to be paying off as some advertisers fleeing Facebook plan to spend more with Snap.
· The app positions itself as a more positive platform that's safe for advertisers.
· It's been on an ad sales and user growth tear, leading its stock...