An old computer art form is making a comeback as a newer way to evade spam filters.
For decades, computing fans have enjoyed a form of expression called ASCII art that shows pictures or messages as a low-resolution graphic, a grid made of numerous computer characters encoded with the venerable ASCII standard. With a photo digitized with ASCII art, for example, the "#" character can represent a dark pixel and "." a light pixel. And there are large fonts constructed from an assemblage of individual characters.
Now the technique has surfaced as a way to transmit information that'… Read more