Search engine optimization different signals. The leading search engines, Google, Bing, and Yahoo, do not disclose the algorithms they use to rank pages. Some SEO practitioners have studied different approaches to search engine optimization, and have shared their personal opinions. Patents related to search engines can provide information to better understand search engines. In 2005, Google began personalizing search results for each user. Depending on their history of previous searches, Google crafted results for logged in users. In 2007, Google announced a campaign against paid links that transfer PageRank. On June 15, 2009, Google disclosed that they had taken measures to mitigate the
Chomp (search engine) app. Chomp acquired over 300,000 users in the first eight weeks after its launch. Chomp received seed funding of $565,000 in November 2009. By March 2010 it received a series A round of funding, of $2 Million. Investors included BlueRun Ventures, Ron Conway, Brian Pokorny, and David Lee. At this time, Chomp made further improvements to its search engine by enhancing its search functionality. By February 2011 Chomp brought its search to the Android platform and released its Android app. This provided an improved experience from the existing search capabilities found in the Android market. By May 2011, the number