Linears and tactiles dominate the modern build conversation, and clickies barely appear in it. The reason is not that clicky switches have aged out — it is that the people who want them really want them, and the manufacturers know it.
thock has already reached for the buckling-spring snap twice — once to describe a Topre dome, once to describe a click-bar's sharpness — without ever explaining what a buckling spring actually is. The mechanism predates both, and it is stranger and more mechanically honest than either.
Switches are the single biggest factor in how a keyboard feels and sounds, and the catalog has grown overwhelming. This guide narrows the entire market into three families, explains who each one is for, and gives a three-step path from curiosity to a confident first purchase. By the end, the reader can pick a category without second-guessing.