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Wasn't it one of the firsts basic use case for Bluetooth? For me, it's already working.

Unfortunately, bluetooth is clunky. Wifi is ubiquitous and has a bigger range. Use case? Let say person 1 wants to share with person 3, but person 3 is out of range. Fortunately, person 2 is in between and is in range of both, so the "app" just finds its way hopping between nodes. Networks can be created on demand. Thats what I mean by "decentralized sharing".

This sounds like Bluetooth

Like AirDrop?

only, actually reliable.

This is wi-fi direct though? Superbeam, Shareit, Xender, etc?

You mean like bluetooth? :)

Im aware of all the tongue in cheek comments about bluetooth. but no. Bluetooth is clunky. Wifi is ubiquitous and has a bigger range. Use case? Let say person 1 wants to share with person 3, but person 3 is out of range. Fortunately, person 2 is in between and is in range of both, so the "app" just finds its way hopping between nodes. Networks can be created on demand. Thats what I mean by "decentralized sharing".

Wi-Fi Direct?