With the big hullabaloo around The Social Network I've been reflecting a bit about my incorrect intuition since ~2008 that the Facebook bubble would burst at any moment. The bubble may still burst, or a new competitor may come out of the blue, or Google might actually release a comparable offering, but Facebook is still surfing on the crest of victory (which may be a sign that it has "peaked"). But along the way I stumbled onto this article about the marginalization of Digg:
According to Quantcast, an online audience measurement firm, Digg’s domestic traffic has dropped sharply in recent months, from 27.1 million unique users in April to 13.7 million in July. By contrast, Facebook had 145.2 million domestic users in June, according to comScore. While not giving specifics, Mr. Desai of Digg attributes the decline in domestic traffic to changes in Google’s search function that resulted in fewer ...