Revealing Design Treasures From The Amazon

My main takeaways from Jared Spool's talk on

  • Ratio of reviewers to purchasers = 1 in 1300.
  • Ie. To generate 20 reviews, you need 26,000 purchasers.
  • 1 in 1300. Sounds similar to @Hertling's 0.1% number for contributers to consumers on Wikipedia. Or was that 0.01%?

Nobody likes flip-the-switch website redesigns! Amazon changes things incrementally. It takes 12 weeks to fully deploy a change. Lots of little tweaks and experiments with A/B testing on a small sample size on the live site first.. 

He presented in Portland last week, but here’s an earlier rev of the same presentation, complete with audio.

Posted via email from Pete's posterous

No comments: