3-D sunglasses! Much as he did with Vitaminwater, 50 is investing in and consulting for a company called Gunnar Optiks, which makes “lenses optimized for a sharper digital viewing experience,†including a pair for 3-D TV viewing. Ever since 50 made a reported $100 million off his dealings with Vitaminwater, Vulture has been extremely confident in the ostensible rapper’s business acumen (in a manner inversely proportional to our enjoyment of his music), so let’s go ahead and assume this reasonable-sounding Gunnar thing will work out. Tony Yayo will be sleeping a little sounder tonight. [Fast Company]