Almost overnight, tablets have become a key component of many computer companies' growth strategies--and for good reason. Based on one of our recent studies, tablet demand will surge to 200 million by 2014, an increase of more than 300 percent. Not surprisingly, the market has seen an enormous proliferation of new devices. In this environment, however, companies may need more than flashy products to compete—along with a differentiating model for customer service and repair.