ProPublica published recommendations this week, about what kind of encryption software you can use to lock down your drives. The more people do this, the better and while nothing is entirely secure, it's what we can do now without having to give up our support for the internet. Some prefer to go into Luddite mode.
Looks like a lot of progressive corporate entities are helping to mobilize this effort:
Reset The Net: ‘Don’t Ask for Online Privacy… Take It Back.’. If the teabillies can have their "grassroots" bankrolled than maybe the left should to? I guess that's grassroots in the twenty-first century. Go to that link for details.