Microsoft is running one of the largest corporate espionage operations in modern history. 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.


If you can do it client side, you can send it to a server…
The difference is intent.
Yes, because web browsers, under current web architecture, allow this.
This is entirely my point.
They will always allow it as long as you have javascript or any other code.