I have to say, if my sister weren't helping me, I would have failed at this activism posting thing days ago.
So here's her tip:
If you're at a library, cybercafe, the Apple Store, or any place that has computers for public use, leave your browser up. After you've logged out of Facebook, email, or whatever, pull up a video you think people need to see and leave it playing.
Meet Your Meat
Mercy For Animals' Ohio Dairy Farm Investigation
Inside Fur Farms