Great article, but Hipmunk is the latest in a chain: Travel agents > Expedia (DISRUPTION!) > Kayak (improvement)> Hipmunk (improvement) If you had to credit a

Great article, but Hipmunk is the latest in a chain: Travel agents > Expedia (DISRUPTION!) > Kayak (improvement)> Hipmunk (improvement) If you had to credit anyone with the disruption, it should go to Expedia or a similar site. Each of the above has improved the customer experience, but aren't truly disruptive.