SwitchEasy designed Exec to be one of the thinnest folios around, and in that regard, the company succeeded. It’s only three-quarters of an inch thick, and beyond the numbers, it really feels thin. The exterior is a textured polyurethane material, while the inside is lined with microfiber to protect the iPad’s aluminum back and glass display; the right half of the back cover is slightly padded, with a repeating pattern of horizontal and…