comScore released March search engine rankings, giving Microsoft and Yahoo some encouraging news. The Microsoft-Yahoo network gained search engine query market share in March. Both companies saw a 0.2% increase in their market share of search engine queries. The total number of explicit search queries rose sequentially during the month from 18.3 billion to 20.4 billion. Google's share rose 11% to 13.7 billion for explicit searches, but saw market share drop from 67.5% to 67.1%.