One of the most crucial issues in on-line advertising is the blurring of the line between editorial content and ads. Unlike on TV and in the print media, where guidelines on the labeling of advertisements, which shall enable the customer to distinguish between editorial and ads, exist, similar conventions have not yet evolved for Internet content. Labeling of online advertisement up to now has remained the rare exception, with only few sites (e.g.
TEXTBLOCK 1/1 // URL: http://world-information.org/wio/infostructure/100437611652/100438657963
the original, legible text
an algorithm for bringing a legible message into an illegible form. There has to exist some sort of code book to encode/decode it.