Hi Ludo,

> Having said all that, you’re the author of the article, so let us know
> whether you want to publish it as-is or to modify it, and we’ll go ahead
> (I’ll be on IRC today).  I think it’s already an insightful article!
as discussed on IRC yesterday I tried to come up with a different,
more gentle introduction – see attached patch. Please have a look and
point out any weirdness I might have introduced.

Thank you,
Lars