[dotancohen]

This sentence:

  > but then it must contain built-in advertisements

Could just as easily have been:

  > but then it most likely contains built-in advertisements

In a technical article there may be many reasons for simplifying an explanation, but there is no excuse for lying.

[sideshowb]

I've lost battles with an editor (of a popular publication) that ultimately led to inaccuracies like this creeping in. They just cared about readability far more than truth.