Yes, this is why everybody wants to make vehicles and refrigerators and thermostats and ereaders with cellular and/or wireless: subscription revenue from bulk data purchasers of what their scans reveal. IIRC Amazon was an industry leader in this space by showing book authors what page you stopped reading on, and then bulk assessing that data at scale to estimate which sentence or word; of course, Google’s Android remains the most successful at-scale deployment of data collection for advertisers worldwide. See also, for recent context, the top comment (and others) of the LG Smart TV problem (30 days ago, 1012 comments) https://news.ycombinator.com/item?id=49592375