It’s the one word that proves that Bill Gates, for all his admirable charitable work and innovative intellect, does not know everything.

Spam.

In early 2004, Gates famously predicted that spam would be a thing of the past by 2006, reduced to the dustbin of messaging history alongside carrier pigeons and smoke signals.

But four months into 2007, most of our email boxes are still peppered with foreign-language messages or unwanted medical offers (that’s the PG-rated description).

And the spammers seem to get more clever every day.

We’ve kept readers up to date on image spam. And the researchers at Sunbelt Software have the latest variation: multi-colored memo images and a cartoon of an average-looking boardroom dweller with a chart with positive results.