I like Diaspora because it's audacious, it's driven by passion, and it's very, very hard to do. After all, who in their right mind would set as a goal taking on Facebook? That's sort of like deciding to build a better search engine - very expensive, with a high likelihood of failure.

Ideally, content should be shared, mixed, mashed, and reposted - it wants to flow through the Internet like water. This was the point of RSS, after all - a technology that has actually been declared dead more often than the lowly display banner.

Boxes and rectangles on the side or top of a website simply do not deliver against brand advertising goals. Like it or not, boxes and rectangles have for the most part become the province of direct response advertising, or brand advertising that pays, on average, as if it's driven by direct response metrics.

John Battelle Quotes