The post isn't really comparing apples-to-apples, with the 1970s workspace being a fixed place in an office, and the smartphone being a mobile device that may b

The post isn't really comparing apples-to-apples, with the 1970s workspace being a fixed place in an office, and the smartphone being a mobile device that may be used in the field. No productive office has replaced all those rolodexes and notebooks with just a phone; most have had them replaced for the past 20 years with a desktop computer which has long satisfied the "components operated simultaneously and independently of the phone" requirement.