Some proxy providers ask users to install client-side apps. You don't have to do all this dance to see what user is seeing if you can install a binary on users

Some proxy providers ask users to install client-side apps. You don't have to do all this dance to see what user is seeing if you can install a binary on users machine. This is what most of people in Iran and China do. One way or another, somebody is watching. Either it's the NSA or some ad agency interested in your browsing habits while you "bypass" the filters.