I first read about Twellow on Mashable yesterday. Once I started using it, I was hooked.
The one thing Twitter has always lacked is a reliable and useful People Search tool. Now there is Twellow. Twellow was developed to help you “cut through the clutter.”

Twellow is a service of WebProNews and at this writing, it had indexed over 331,000 Twitter users and filed those users into categories based on their Twitter profiles. A lot of folks, myself included, make sure to use useful key words in their Twitter profiles, and now there is a reason other than SEO. You can be indexed in Twellow!
You can’t be indexed if you have a Twitter account without an entry, no Twitter account, or a private/locked Twitter account. Therefore my professional account is available and my personal account is not. For me, this is perfect.
A search on my name or my Twitter user name produces, well, me. A search on my company name does not produce me, so obviously I need to make some adjustments.
Much more fun is a search on topics – “Blogging” brings up names like Anil Dash and Six Apart. You can also search within pre-defined categories, many of which you can find on the front page of the site, and from there you can drill-down into sub-categories.
The oddest thing I found about Twellow is its seemingly random updating of your latest Twitter post. My latest is listed as several days old, when I have in fact Twittered since then, whereas other folks are listed as “8 minutes ago.”
Regardless, Twellow is a much-needed search tool that just adds to the power of Twitter. Twellow is currently in Alpha, but is open for public use.
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Events, news, apps, and more – let me know at michelle[at]writetech[dot]net, via Twitter, or via Pownce.