grammar school class you couldn’t pass out of, the first dead-end job. It’s a network mired in past and present, and by its nature it enforces a limited sense of identity and expression. By contrast, something like Tumblr encourages unbounded use. ... It’s the big city, and each new tumblelog you create is like a new bar or neighborhood where you can try on a new self and see how it fits.” — An Xiao, “The Social Ties That Unbind” Sunday, October 27, 13