Now, as the company prepares to expand the technology to most of its 2016 U.S. models, GM is lifting the curtain on its digital business strategy. GM is the first automaker to reveal its projections, but it is not alone in chasing digital profits. As in-car broadband usage grows, GM’s estimates could turn out to be conservative, some analysts say, since the potential for revenues from in-car broadband connections are still being developed.