Bleg: what do you use the tracker search tool for in Ubuntu Hardy?

One of the first things I do when configuring a fresh Ubuntu distro is disable all the tracking, indexing and search daemons I can find. I’ve simply never had a need for a search and indexing tool in any OS. Yet, they are enduringly popular and often trumpeted as killer features. What do people use them for? Is there some way of using them that I’m yet to get my head around, but which greatly improves usability and efficiency?