Online marketplaces helped launch the internet into the stratosphere, taking it from the domain of geeks, nerds, and academics to a mainstay in the lives of everyday people. At their pinnacle, websites like Craigslist and eBay — before the latter and similar services like Etsy starting squeezing sellers with outsized fees and confounding buyers with increasingly convoluted user interfaces bloated with unwanted features and rife with scams — offered users immensely powerful marketplaces where they could find or sell almost any item their heart desired, no matter how specialized or obscure.

One of the advantages of working with some of the world’s most talented fly fishing instructors is that those instructors are always challenging your views.

“Is that really the best way to teach the students how to make a reach cast?”

“Seriously? That’s how you rig your nymphs?”

“Would you explain why you’re raising your rod tip at the end of that cast? That’s not how I do it.”