Definitions. If you cannot remember what ephemeral means you can type define ephemeral into the search box and get definitions from Google's sites. Or constrain your search with the construction define:ephemeral and let Google give you definitions only.

Calculator. You can use the blank Google search box as a calculator. Simply enter an equation, such as 50*1.23 and learn how many dollars are needed to buy something costing €50. For division, use the slash. Google also has a chart listing units of measurement that Google can convert.

Google falls over. Google doesn' search for audio or video clips. Go to FAST or AltaVista or Dogpile for those searches.

Google doesn't cluster. For the broad reach of the web, go to Vivisimo for clustered results. And try Acronym Finder for tidy lists of related terms.