How to shield your calls and internet activity from government surveillance

I’m already seeing a bunch of “how you can protect yourself” posts and articles in the wake of the NSA disclosures last week. Here’s one by Ryan Gallagher:

First, instead of browsing the internet in a way that reveals your IP address, you can mask your identity by using an anonymising tool such as Tor or by connecting to the web using a Virtual Private Network, or VPN.

Additionally, you can avoid Google search by using an alternative such as Ixquick, which has solid privacy credentials and says it does not log any IP addresses or search terms or share information with third parties.