Apple acquired search startup Ottocat to power the ‘explore’ tab in the App Store

Ingrid Lunden, TechCrunch:

TechCrunch has learned that Apple quietly bought a startup called Ottocat some time ago, which had developed a system to organize and surface apps on the app store based on “nested” categories of increasing specificity. A version of that system now powers the “explore” tab in Apple’s App Store...

The acquisition looks like it may have happened some time in 2013.