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Re:Snapdrop – AirDrop equivalent through a web browser using... by felixr on Thursday December 24, 2020 @07:17AM (#25526879)
> sets up an ad-hoc WiFi connection ... No network required.

It does need a network, that's why it creates one using an ad-hoc WiFi connection.

Re:Snapdrop – AirDrop equivalent through a web browser using... by JoBrad on Thursday December 24, 2020 @10:16AM (#25528135)
The creation of this ad hoc network is seamless, invisible to the user, and doesn’t require _external_ network hardware.