You're absolutely right. "The next big thing" is a term marketing folks and journalists like to bat around because it (over) simplifies difficult concepts. The

You're absolutely right. "The next big thing" is a term marketing folks and journalists like to bat around because it (over) simplifies difficult concepts. The general trends have been miniturisation and ubiquitous connectivity, and they haven't just appeared in one big thing, but in every area of life.