Seven years after its IPO, Google is entering the next phase of its growth as a company. It’s impressively large by anyone’s standards, with $29.3 billion in revenue in 2010, nearly 30,000 full-time employees, and offices in 42 countries. And yet Larry Page, now Google’s CEO for the first time since 2001, still seems to view the company as a cross between a startup and his old Stanford University grad project. It’s neither, and it faces difficult challenges. The legal environment around Google is tightening even as it goes head-to-head with the industry’s largest companies, and the changes it must make to remain competitive may mean tomorrow’s Google little resembles the fun-loving Silicon Valley darling of yesteryear. Read on for the rest of my analysis of Google and the road it must travel, this week at InfoWorld.com.