Google's Search Engine.
Google's search engine was Google's first product and continues to be the company's most popular product. Google web searches provide relevant results quickly. Google uses a secret algorithm to rank results of their keyword searches. PageRank is a component of this algorithm.
cached in their search engine database with your keywords highlighted. This makes finding the important part of a web page easy.
More Than Searching
Google offers more than searching. Google's non-search products are not always the largest or most popular, perhaps because Google refuses to clutter their search engine with buttons for every product they offer. The announcement that they've developed a new one still sends the competition running. Nearly all of their products and services are free, so finding a new one is like discovering a hidden treasure.
Google Blogger lets you make your own blog. You can also send and receive email from Gmail, or socially network with Orkut. Google Spreadsheets lets you create and maintain spreadsheets on the web that can be edited by more than one person.
Google Personalized Home lets you create your own Google search experience with as many or as few tools as you'd like. Google News lets you customize your news experience, and other Google services customize the service for you, based on your location.