Twitter Profile  
@
Derrick Ko , @derrickko
San Francisco
derrickko.com
CEO/Co-Founder @SpinCities, where we make cities better.
On Twitter since 27 Jun 2010 (2,703 days)
Tweets1,735
Followers1,094
Following468
Likes1,081
Lists67
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Twopscore: 9.10 (Click for details)

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