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Chris Crum (the author) writes about a rumored upcoming Digg toolbar incorporating random search, and asks if this is bad news for Stumbleupon, as that is the service's key feature. Perhaps, but Crum hasn't given us reason enough to think so. Randomness, by itself, isn't a big deal. Webrings had incorporated it into their code long before there was a Stumbleupon. Carefully weightened randomness is what Stumbleupon does. Stumbleupon offers a blogging platform, albeit a seriously flawed one. Digg does not. Those who submit content to Digg risk loss of membership if the content proves to be unpopular enough; so far as I know, Stumbleupon users don't have the same worry, outside of a little political whackiness in the fora. I'm left with the impression that Crum repeats somebody who has read too much into too little, having little familiarity with the capabilities of the SU system, and with the policy differences between the two sites.