1) A person who withdraws from all things digital. 2) Someone who's a recluse by being "offline" (avoiding email, social networks, cell phones, etc).
It was obvious from his lack of tweets and FB posts that Fred had turned into a total techluse. No one knew anymore what he'd eaten, watched, or thought (and vice versa).
The Techsumer uses their latest tech gadget to decide what they buy and where they buy it; what and where they eat or drink, who they like or retweet, etc.
noun: the technology landscape of a company, organization or entity. verb: the process of transforming the technology landscape of a company, organization or entity.