The waiting time shown is the longest a customer currently in this office has waited after taking a number. It is accurate as of the time given. The automatic numbering system in this driver licensing office continuously tracks the amount of time it takes to serve each customer after they take a number.
A Web crawler may also be called a Web spider, an ant, an automatic indexer, or (in the FOAF software context) a Web scutter. Web search engines and some other sites use Web crawling or spidering software to update their web content or indexes of others sites' web content.
Webs. The first line of defense for a spider is its web. Besides capturing prey, webs perform double duty in protecting spiders from predators. Webs come in many shapes and sizes, depending on how the spider is adapted to its habitat.