Overall a great experience, but the advertising aspect is a bit too forced. One of the first things you do upon starting a tour is watch a long Coke ad (consisting of random people having random fun times while also drinking Coke).
Aside from that it's pretty fun - I went mostly because I'm interested in history, and you do get to learn a lot of history on the tour, so I enjoyed it.
I also loved the tasting room, it was a lot of fun and very interesting to try out drinks from completely different countries that you never see at home. Wish they'd sold those drinks in the gift shop!