As we’ve mentioned here before, Yahoo has become a huge audience without a show. Now Microsoft, who have tried for years to leverage their success selling proprietary software into some sort of presence on the Internet, has decided to get that presence the old fashioned way: They’re going to buy it.Microsoft Corp. today announced that it has made a proposal to the Yahoo! Inc. Board of Directors to acquire all the outstanding shares of Yahoo! common stock for per share consideration of $31 representing a total