| Spammers saturate forums with posts that will be found by search engines, fooling them into thinking we like those sites. As a result, their search ranking goes up. I've decided to try a CAPTCHA rather than making everyone log in. |
| If you can't read either graphic, click the top red button. This isn't a regular CAPTCHA; the Carnegie Mellon University hit upon this idea to put your 10 seconds of brain power to use by figuring out words their computers couldn't. They're digitizing old books and newspapers so they can be read and searched on-line. |