I personally think its misleading and even when you start reading the page it links to is even more misleading in my opinion.
>Every time any of LinkedIn’s one billion users visits linkedin.com, hidden code searches their computer for installed software, collects the results, and transmits them to LinkedIn’s servers and to third-party companies including an American-Israeli cybersecurity firm.
When I read that, I think they have escaped the browser and checking which applications I have installed on my computer. Not which plugins the browser has in it. Just my 2cents.
I think customer speeds is 144 and the 6Tb is their ground links to their stations. That is my take on it at least as its not super clear. I'm curious as to how it works as well.