There are PCs that fit in a pocket, understand voice and gesture, or sense when they need repairs and call on their own for a remote tuneup.
Yet as people increasingly gravitate to smartphones and tablets for their computing needs, shifting into what has been called the “post-PC era,” the investment into design and new innovations by PC makers may come to naught. Last year, 289 million PCs were sold worldwide, an 8 percent drop from 2014, according to Gartner, a research firm.
