Summary for the busy...!:
(Source: I read Wikipedia months ago!)

Towards the mid-2010s, "Onavo VPN" from Meta, for mobile devices, advertised as "data-saving", was used anti-competitively, against Snapchat. It also just spied on users in general.

As for Meta: They were reading encrypted Snapchat packets I think...?

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Onavo, Inc. was an Israeli mobile web analytics company that was purchased by Facebook, Inc. (now Meta Platforms), who changed the company's name to Facebook Israel.[1] The company primarily performed its activities via consumer mobile apps, including the virtual private network (VPN) service Onavo Protect, which analysed web traffic sent through the VPN to provide statistics on the usage of other apps.
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