The Google search or web search engine Google (in English Google Search) is a search engine on the web owned by Google Inc., is the most used search engine on the Web,
receives hundreds of millions of queries every day Through its various services.
The main objective of search engine Google is search for text on web pages, instead of other data, was Basicaly developed by Larry Page and Sergey Brin in 1997.
Google search engine provides at least 22 special features beyond the word. These include synonyms, weather forecasts, time zones, stock quotes, maps, earthquake data, movie, airport information, home listings and sports scores. There are special features for numbers, including intervals (70 .. 73), rates, temperatures, unit conversions and coins ("10.5 cm in inches"), calculations ("3 * 4 + sqrt (6) -pi / 2 "), package tracking, patents, telephone area codes, and translation of pages displayed.
The order of search results (ghits by Google hits) on Google results pages which are based, in part, on a priority rank called "PageRank". The Google search provides many options for personalized search using Boolean operations such as exclusion ("-xx"), inclusion ("+ xx"), alternative ("xx or yy") and wildcard ("x * x ")
The frequency of use of search terms has reached a level that may indicate more economic, social and health.
Data on the frequency of use of search terms on Google Trends (available through Google Adwords, Google Trends and Google Insights for Search) show that no correlation between influenza outbreaks and unemployment levels and provide information faster than traditional methods of reporting and government surveys. [citation needed]
On May 12, 2009, Google announced that it would analyze the micro formats hCard, hReview and hProduct to increase search result pages with what they called "Rich Snippets" .
In June 2011, Google introduced "Google Voice Search" and "Google Images" features that allow users to search for words when speaking and imágenes.
In late June 2011, Google changed the design of your home page in order to promote the use of tools sociales. links advertising, business partners and company information was brought to the lower edge of the browser.
One major change was to replace the navigation bar classic black. The digital creative director of Google Chris Wiggins explains: "We are working on a project to provide an experience of new and improved Google and in the coming months will see more changes in our appearance."
