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As of a couple weeks ago Alexa made a change. Now, when you write a review, your email address has to be validated by Alexa AND, Alexa will delete any prior reviews from email address for that site. Ouch.
That should cut down on the noise to signal ratio.
Guess I'll have to sign up for some more hotmail email addresses :-)
Imagine if these reviews end up being hosted by Amazon.com (Alexa's corporate parent.) You'd have to have a valid Amazon.com account before writing a review. When reading reviews you could click through to see all reviews written by any reviewer... and that person's wish-list, name, location, the whole sha-bang.
DMOZ: They've finally done some editting to a category I was in. I had two requests because I was listed twice in one category. One was to delete an old version (old url) and the other was to add "www." to the current version (new server defaults to the "www." version).
However, if I search for my site keywords, I get the old pre-change results. Seems that the directory and the search are accessing different builds? Or perhaps it's a transition.
And when I do the search on Alexa, I see the two pre-change results plus the current ones and more, aparently a mix of google and dmoz listings (?).