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

Instacart is rolling out a new app, but it's not for ordering groceries—at least, not the essentials. Instead, Instacart sees "Fizz" as a party delivery app, designed for ordering snacks and alcoholic ...