25% of these are mostly empty and many appear to be brands squatting on their own names and planning to get to it later when they have time, perhaps. About 588 of these brand pages have fewer than 10 items of lifetime activity. Some brands like Pepsi are quite active, though the activity levels ebb and flow quite a bit, but others are far less so. The mean number of total engagements per brand on tumblr is 224 but the median is just two. Tumblr hasn’t yet figured out how to get users to engage with brands, yet, and it doesn’t seem that users are falling over themselves to engage with brands.