Microsoft (with a turnover of $51.12 billion in 2007) has offered $44.6 billion for Yahoo! (which had a 2007 turnover of $6.97 billion) to compete with Google ($16.59 billion dollar turnover in 2007) in internet advertising, one year after its first attempt to buy Yahoo! was rejected. According to Microsoft, Google has a 75% share of world internet searches, with 65% in the United States and 85% in Europe. With 500 million visitors, Yahoo! is the world's second largest online advertiser and...