Vivísimo, a provider of search software, has announced that its web search site, Clusty.com, has been optimized for mobile devices. Clusty Mobile offers navigational capabilities and featured sources of common searches performed by mobile users. Clusty's search technology organizes search results by relevant topics and categories. Additionally, Clusty Mobile optimizes all websites clicked on for mobile viewing, automatically turning web pages into streamlined text versions that can be more clearly read on the small screen. Clusty Mobile offers a new navigational interface that includes a list of topics, or clusters, at the top of the search results page that are related to the user's search query. Users are also aided by spelling suggestions for mistyped or misspelled queries. At the bottom of the search results page, Clusty Mobile suggests related queries to help users narrow their result set.