The money Microsoft has invested in MSN marketing are finally starting to show some results.

According to a search engines study published by comScore Media Metrix, MSN had a 30% annual growth rate. To be more specific, it had its share of 744 million search "clicks" of the total of 4,8 billion in United States.

In July, MSN had a 15% of the market, as Google still topped the list with 36,5%, followed closely by Yahoo with 30,5%.

Anyway, the number of search "clicks" itself has increased by an annual rate of 22%. The remaining searches used AOL, Ask.com and InfoSpace engines.

Another important aspect is the increase of toolbar searches. 11% of the total search number started directly on the toolbars, as opposed to a 8% last year.

Yahoo Toolbar tops the list with 51%, representing an impressive number of 282 million toolbar searches.