Recent Posts

When advertising becomes spam

The Web is great. You can easily find and publish information. It is great for trading as you can search through millions of articles and hundreds of vendors to find the product that fits best to your needs and is as cheap as possible. But recently I get a lot … Read More »

CAPTCHA

Spam is really a problem if you have a WordPress blog, a forum or a guestbook. A very common approach to solve this problem are CAPTCHAs - Completely Automated Public Turing test to tell Computers and Humans Apart. The idea behind CAPTCHAs is to … Read More »