Google patents highlighting search terms
Google scored patent 6,839,702:
A system highlights search terms in documents distributed over a network. The system generates a search query that includes a search term and, in response to the search query, receives a list of one or more references to documents in the network. The system receives selection of one of the references and retrieves a document that corresponds to the selected reference. The system then highlights the search term in the retrieved document.
which is... highlighting search terms in web documents.
I want a patent.