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According to new data from ChangeWave Research, both usage and consumer sentiment towards Google's mobile operating system Android has increased over the past several months. As of December 2009, the research firm's survey shows that 4% of all smartphone owners now use a phone running some version of the Android OS. That's an increase of 200% since the previous survey released in September.

Google's dominance in the search engine market isn't likely to end anytime soon, but Microsoft's Bing managed to continue its slow but steady growth last month, even though the search engine market in general remained at seasonal lows. According to the latest data from Compete, Bing's market share only grew from 8.7% in August to 8.8% in September, but the total query volume on Bing grew 8.2%. All the other large search engines - except for Ask - registered a decline in total search queries last month.

"It is the greatest mathematical discovery of all time." - Albert Einstein on compound interest.

There is a fallacy that startups need to be super-secretive and then, when they launch, move very fast to capture the market. This is rarely true. Most startups would do well to study compound interest rather than market share.