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Jason Fried, David Heinemeier Hansson
Crown Business
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Rankings and history
Tracked since 21 August 2009 (172 days ago)
Today's current hourly rank 669
Highest composite rank since added (not available)
Lowest composite rank since added (not available)
Running averages
Average rank in last 2 days 500
Average rank in last 7 days 480
Average rank in last 30 days 1,277
Average rank in last 90 days 16,817
What blogs are saying
Cover art
