I agree with most of your points, and especially point 5 could be where Tumblr will improve on what we've had before: the way they go about things may well enco

I agree with most of your points, and especially point 5 could be where Tumblr will improve on what we've had before: the way they go about things may well encourage the design of beautiful brand experiences. As for point 3 though, if you read eg. 33bits.org you might be convinced otherwise, because it's in fact very difficult to really anonymise data.