Microsoft has said marketing teams were hard at work fixing the company’s Web search image. As a brand, Live Search wasn’t working. But Kumo? What? Microsoft’s search team posted a screen shot of a redesigned search site, called “Kumo,” on its blog Tuesday. A leaked memo from the team’s technical leader, Satya Nadella, described Kumo.com as a test program that can only be accessed from computers on Microsoft’s network.