> Aside from the shark photo and the print error, I am genuinely proud to own a modern World Book Encyclopedia. And I say that freely, having purchased the set out of pocket myself.

If the author had to buy it with his own money, it's a pretty lame sponsored post.

There are ways to get around that, e.g. the author legitimately buys it, but for some reason his payment for that story is $1500 more than usual.

Sure, it's an arm of Conde Nast, native ads are a staple of mass market publishing.

They do a lot of car ads, I mean reviews.