The Washington Post [1]: With a test, Web sites let people in and keep out computers set to unleash spam attacks. Now, computers are cracking the code.
The Washington Post [1]: With a test, Web sites let people in and keep out computers set to unleash spam attacks. Now, computers are cracking the code.
Links:
[1] http://www.washingtonpost.com/wp-dyn/content/article/2008/04/30/AR2008043003704.html