1
They also have awful interstitial ads [2] and, while they masquerade as a news organization, are actually a blog farm [3].
Blocking Forbes would be no great loss in terms of content, and would avoid a surprising amount of advertising- (and malware-) generated pain.
[1]: http://www.extremetech.com/internet/220696-forbes-forces-readers-to-turn-off-ad-blockers-promptly-serves-malware
[2]: <any Forbes article, e.g. http://www.forbes.com/sites/kathleenchaykowski/2016/01/08/meet-the-queen-of-imgur-the-image-sharing-site-thats-half-the-size-of-twitter/ >
[3]: https://np.reddit.com/r/technology/comments/3zs6qk/gq_and_forbes_go_after_ad_blocker_users_rather/cyp2uls?context=3#cyowy51