That was then the estimated value of the site that Rose, a former cable-TV talk-show host, had founded two years previously, to allow users to compile and rank web content. In its pomp, Digg boasted around 40 million monthly users; its most popular sharers wielded influence equivalent to any major newspaper editor.
Created within months of
Facebook, Digg was one of the earliest social-media sites. Facebook "likes" closely resemble the "Digg" function, which links votes to the site's popularity rankings.
But the rise of Facebook and
Twitter removed Digg's USP, demonstrating the difficulty of future-proofing any web service.
In 2010, an unpopular site redesign prompted Digg users to protest by "Digging" its rival Reddit, pushing its links to the top of the Digg front page.
Last year, Reddit overtook Digg in popularity. Digg had seven million monthly visitors in May, according to ComScore.
Reddit's busiest subsection, "
/r/funny", attracts almost that many per day. Reddit.com now describes itself as "the front page of the internet".
But the history of Digg proves that, for the giants of the internet, hubris can be fatal.
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