I'm ambivalent about this. It's unfair to basically nuke Twitter/Facebook's business model by turning them into utilities. OTOH, it was unfair of Twitter to promote themselves like a utility for a few years and then dramatically change course (even though it was obviously inevitable to some people).

Related: http://www.zephoria.org/thoughts/archives/2010/05/15/faceboo... discussion: http://news.ycombinator.com/item?id=1350689