Incognito Mode is about not storing information on your own computer about which websites you visit. The NSA has probably deals with most free proxy providers to access the relevant data so that won’t protect you.
Using Tor does provide some layer of protection but it makes it really slow to access websites.
If you chain a bunch of proxies together that are all compromised the resulting connection isn’t safe.
It’s hard to estimate the capabilities of the NSA,
Incognito Mode is about not storing information on your own computer about which websites you visit. The NSA has probably deals with most free proxy providers to access the relevant data so that won’t protect you. Using Tor does provide some layer of protection but it makes it really slow to access websites.
I would assume you can chain proxies, but that would make the latency issues even worse.
If you chain a bunch of proxies together that are all compromised the resulting connection isn’t safe. It’s hard to estimate the capabilities of the NSA,
It sounds like you might be looking for something like The Onion Router (Tor)