Microsoft engineer Rajas Patil smiles as he displays for the photographer temporary tattoos with the company's logo during an event unveiling a new Microsoft Windows operating system Thursday, Oct. 25, 2012, at the company's headquarters in Redmond, Wash. Though Windows 8 will be backed by a $1 billion marketing campaign, questions surround the software. The biggest one of all: Is it innovative and elegant enough to lure consumers who've fallen in love with an assortment of smartphones, tablet computers and other gadgets? (AP Photo/Elaine Thompson)

Photo by: Elaine Thompson

Microsoft engineer Rajas Patil smiles as he displays for the photographer temporary tattoos with the company's logo during an event unveiling a new Microsoft Windows operating system Thursday, Oct. 25, 2012, at the company's headquarters in Redmond, Wash. Though Windows 8 will be backed by a $1 billion marketing campaign, questions surround the software. The biggest one of all: Is it innovative and elegant enough to lure consumers who've fallen in love with an assortment of smartphones, tablet computers and other gadgets? (AP Photo/Elaine Thompson)