Market sizing, trending, and targeting all depend on data. Marketers understand this – and their sources, Nielsen, Pew Research and AARP have, for many years, provided data food for marketers. And so every tech company ever launched builds its business case on tech adoption trends (and gaps) derived from these sources. So what’s the survey population makeup? Consider Nielsen (global, online, n=30,000); Pew Internet use (US, 2015 n=3004); and AARP (US, 2016, n=1500). These are all declared to be statistically valid samples. But what if the sample size was 3.5 million households, comprising 1% of the US population, as was the case in the last three years of American Community Surveys (ACS) as collected by the US Census Bureau?