Peter totally agree! This is the central insight in Trend-Driven Innovation, our book on how to spot emerging trends.
In a nutshell, to see where things are headed next, simply look at how pioneers in other industries and markets are reshaping customer expectations. As those expectations will quickly spread to your industry.
We give a 4 min intro to the idea here: https://medium.com/trendwatching-pulse/what-is-trend-driven-innovation-7287c0b52086