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As if it wasn't bad enough that they want me to use a random internet service to add a keyboard to a usb wifi receiver, they have the balls to put this for Firefox users. I clicked out of pure curiosity, as I'm not even remotely interested in involving a corporate internet service in getting my keyboard connected to my computer. This is the message you get now on Logi Options software if you have a Unifying Receiver: 
For the curious: https://logiwebconnect.com
EDIT: some people on the thread have brought up that the error message being displayed for Firefox users is due to the WebUSB API not being implemented by Firefox due to security concerns. This still does not justify having to use a web app to plug peripherals to a PC.
Exactly. I used to run a corporate banlist, where if a company screwed me over, or I though what they sold simply insn't good enough I wouldn't buy their shit. If I stuck to it completely, I would have 0 options for computer mice, 0 options for phones, 0 options pretty much for laptops, literally 0 option for any home appliance, the list goes on and on and on.