Overview
Peter Diamandis, the project founder, wrote on the official web page:
"It has been many decades since we explored the Moon from the lunar surface, and it could be another 6 - 8 years before any government returns. Even then, it will be at a large expense, and probably with little public involvement."
The goal of the Google Lunar X Prize is similar to that of the Ansari X Prize: to inspire a new generation of private investment in hopes of developing more cost-effective technologies and materials to overcome many limitations of space exploration that are currently taken for granted.
Read more about this topic: Google Lunar X Prize