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by rock_hard 3050 days ago
Anecdotally I know a lot of people who use IG, FB, WhatsApp and Snapchat along side just fine though.

Lets use some math to answer this:

2 billion Smartphones users 2 billion Facebook users (Smartphone mostly) 1 billion Instagram users (Smartphone only) 1 billion WhatsApp users (Smartphone mostly)

So just looking at these numbers there must be a huge overlap in usage