For the past decade, Oprah Gail Winfrey has endorsed some of the biggest products as part of her “Favorite Things” segment. And as we’ve witnessed with the renowned Oprah Book Club, anything the billionaire TV host co-signs will fly off shelves. Just last week she set the tech blogs ablaze when she compared the Microsoft Surface tablet to a Mercedes-Benz. Some might disagree with Oprah's analogy, but her seal of approval has increased interest in the Windows 8 device . We went through all of Oprah’s lists and discovered a number of gadgets that solidify her tech credibility. So if you still doubt the Queen of Daytime’s sponsorships, we recommend you keep reading.