Fizz’s argument in favor of the anonymous nature of the platform is that it encourages students to open up about how they’re really feeling — when a student sees posts about how other people ...

Social media startup Fizz is suing grocery delivery giant Instacart and party planning app Partiful for trademark infringement, the company announced on Thursday.

Fizz is a private messaging app meant to be a space for Gen Z to connect. But at a high school in Vermont it was used for vicious gossip instead.

In partnership with Partiful, Instacart’s new app, Fizz, lets party guests collaboratively order booze and snacks for a flat $5 delivery fee.