. "C. Covered Persons Apple contends that petitioners have failed to show that they are among ???the types of persons enumerated in the [shield] law.??? (Delaney, supra, 50 Cal.3d at p. 805, fn. 17.) The law extends to ???[a] publisher, editor, reporter, or other person connected with or employed upon a newspaper, magazine, or other periodical publication . . . .??? (Cal." . . . .