About 15% of searches in 2011 have been performed on mobile devices, with an estimated rise to one in every four by next year. And people aren't just searching Google: restaurants, cars, electronics, and even enterprise content are all being searched by people on the move.

How should we design Lucene- and Solr-powered search experiences for phones and tablets? To be sure, very different rules apply; small screens, slow connections, limited attention, and location awareness all afford very different user interfaces between desktop and mobile devices.

This talk will examine design patterns for mobile search, including approaches to faceted navigation, autocomplete, sorting, breadcrumbs, recent history, and bookmarks, as well as how these design patterns fit together as a whole.