In a mobile business world, where smart workers can now do their jobs remotely from anywhere, will some choose to relocate to a place where the living is easier and the housing more affordable? That, said Eileen McAnneny, the president of the Massachusetts Taxpayers Foundation, is a real worry. The mantra for business is “go where the talent is. . . . If we don’t have the talent, then we do run a risk,” she said.