GOOG) among the most widely visited websites in the world, according to Alexa. With its integration into Apple's ( AAPL) mobile iOS, as well as investments made by Microsoft ( MSFT), which owns the Bing search engine, it's not hard to see the company eventually becoming the leader and surpassing Google. And who knows, it may even trade at Google's current valuation -- over $600 -- 10 years from now. There are many positives with the company, not the least of which is the fact that it continues to grow its user base rapidly. It now reaches 955 million people, representing an annual increase of 29%. It's not a stretch to predict that number will exceed 1 billion by the end of the year.