Googled whether "Navigating by looking at your own shoes" was a well-known quote and it instead found shoes that literally navigate for you:
<br /><a href='https://www.npr.org/sections/alltechconsidered/2016/05/26/479344614/walk-this-way-let-your-shoes-tell-you-where-to-go'>https://www.npr.org/sections/alltechconsidered/2016/05/26/479344614/walk-this-way-let-your-shoes-tell-you-where-to-go</a>