Hmm, I would enjoy a normal life on some Mediterranean coast. This was my answer but Google can answer this question differently.

Let’s ask Google the question again: What would you do with $600 Million?

I will build a huge and robust Data Center. I will begin the construction of a 55-acre site in Council Bluffs, across the Missouri River from Omaha, Neb. The center is expected to create about 200 jobs with an average salary of about $50,000.
Sources: BusinessWeek