It turns out that a human genome -- the complete set of genetic material encoded as DNA sequences -- is 100 gigabytes.

By Justin Scuiletti

When Vivek Kundra, the federal chief information officer, describes how the government has gone about spending money on information technology in the past, images of infamous $200 government hammers and ashtrays can easily spring to mind.

Some businesses are beginning to embrace a technology called "cloud computing" -- storing data and programs on the Internet rather than on an individual company's computers. But critics worry about privacy issues. Spencer Michels reports.