LaTeX-brochure – A pub­lic­ity flyer for LaTeX

The doc­u­ment is de­signed as a pub­lic­ity flyer for LaTeX, but also serves as an in­ter­est­ing show­case of what LaTeX can do.
The flyer is de­signed for print­ing, dou­ble-sided, on A3 pa­per, which would then be folded once.