Thinking about online engagement these days is mind-boggling. This interview with BuzzFeed co-founder Jonah Peretti in Fortune Magazine may leave your head swirling!

In the old days, publishers mostly just had to worry about the number of subscribers or readers, and the latter number was exceedingly fuzzy. Now, media entities like BuzzFeed have to track dozens of different metrics across a vast universe of content and platforms. For example, the company has more than 90 separate Facebook pages, and its presence on the social network generates a large chunk of the five billion video views it gets.

Read full article here.