Do you skip the business section of your Sunday newspaper? Do you ask yourself, Who cares about those tidbits of who was promoted to what in which company? And then there are those boring analyses of the markets —As I conducted my obligatory reading of this past Sunday’s business section, my eyes got a little wider — fascinating. I knew about most of the innovations, but I’m not certain some Americans do. For example, I do 90 percent of all my shopping except for groceries online.