I think if you re-incarnated and showed the editor of the Telegraph from 1950 the web-site, just the difference between the background colour of "sponsored" stories versus actual stories, he'd blow his brains out. Never mind the actual content.
Do German papers do this, mix paid and actual content and attempt to show the paid as similar to real? Although this is nowhere near as bad as The Telegraph following the instructions of disgruntled banker advertisers:
https://www.opendemocracy.net/ourkingdom/peter-oborne/why-i-...