Some one explain this to me. If I use Https would I still be protected from my own service providers (isp/carriers).

Surely anyone who can see the handshake can also decrypt what follows. I ask this because I'm assuming this move is a reaction to all the NSA buzz that's been in the media(assumption).

And I would figure the only way all the spying was going on is because one of the parties we depend on for our internet services anywhere from the ISP to the end server were compromised.

So how would HTTPS make a difference?