That’s great, unless the store you’re in is a giant concrete bunker.
Mobile data barely works in my neighbourhood supermarket; even text-based communication is frequently dicey, but you want to send someone a photo of something as a “should I buy this”? Fuhgeddaboudit.
T’ain’t enough. Gotta block everything they do, everywhere on the internet.
As someone so eloquently put it: you might not have a facebook profile, but facebook has a you profile.
If you’ve ever seen a “share on facebook” button on another website, they’ve been watching you.