Google is a company well-known for taking risks with various kinds of software projects, and the upcoming Chrome OS will be one of its most ambitious projects yet. The open source operating system, which Canonical and the Ubuntu team have contributed to, includes some bold gambles from Google. These include automatic wipes of the operating system with subsequent reinstallation whenever malware is detected, no hard disks on netbooks housing Chrome OS and more. GigaOm has the four big risks Google is taking with the new OS.