[graftak]

It must be explicit what part of the content is an advert because dressing adverts as organic content is seen as misleading.

[malfist]

Can you give me a jurisdiction that product placement is illegal?

[RugnirViking]

The UK. It was outright banned for the longest time. I see now according to wikipedia they allowed it in very limited contexts in 2011, but almost all scenes with product placement are still edited out of most media, leading to shorter runtimes on most movies.