Microsoft to take $6.2 bn writedown for online unit aQuantive Despite the writedown, Microsoft said the share of Internet search from its Bing unit has been increasing, and that revenue per search has also been growing. "MSN is the number one portal in 29 markets worldwide and the company's partnership with Yahoo! has continued to expand geographically," Microsoft said in a statement. While the Online Services Division business has been improving, the company's expectations for future growth and profitability are lower than previous estimates.