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r own choosing. ?Google engineers worked in teams of only three to five people ?three to five people Business model Diversification strategy Google expanded beyond search –related advertising by launching contextual paid listings Google also began moving into new search domains . Fox example ,Google launched Froogle . Do you expect the search business to bee more concentrated ? (. dominated by fewer firms?) The concentration or winnertakeall Search: Major Players How to get started with search marketing Get listed in directories Optimize anic search Utilize paid placement Is search a winnertakeall business? (take the Google for an example) no 1 2 whether the costs of multihoming are high for at least one user side? 3 Whether the work effects are positive and strong? Three premise conditions Whether a pany can alone provide the market total demand? Google can alone provide the market total demand The costs of multihoming for search are low The work effects for search are positive a