I don't know anyone who uses it as their casual messaging client, and I've never used their mobile app. But looking at it now it looks decent, and if they wante

I don't know anyone who uses it as their casual messaging client, and I've never used their mobile app. But looking at it now it looks decent, and if they wanted to they could probably match their competitors pretty quickly, if they're not already. The rest is mostly marketing, I'm thinking they could use their reputation as a reliable long term partner to their advantage, and maybe promise to not use peoples contacts to sell ads.