Geek bait.

While apparently any Nigerian word salad can convince Aunt Edna to open an email and type in her bank account and Social Security numbers, the savvy nerd is a little harder to entice into clicking on junk mail.

Here's an example of a good lure for getting the monkey to stick his fist in the jar: College chick proves shes swallowed aigialosaur. You have to admit that it beats the depressingly routine "Refinance Your Viagra With Bigger Breasts In Seven Days!"