Here's one reason not to trust the mainstream media, whether the nightly news, radio news, or e-news providers. Do your own research to find the stuff that's important to you - get an RSS reader (I use Klip Folio, and read what it gives you. Then you won't be so worried about GMail and more worried about how the First Circuit has wiped it's ass with the Wiretap Act in regards to Internet communications.
And remember - behave in such a way that you wouldn't be ashamed if other people talked about you in public, even if they lie.
Communications Privacy: A Significant (If Quiet) Ruling