[Technology] Facebook's Keyboard Shortcuts.

I appreciate that Facebook not only has keyboard shortcuts (I've been using j, k, and l for a long time), but that they're actually advertising them.  Too often useful keyboard shortcuts are virtually undiscoverable.



I get frustrated a lot when UI simplification reduces discoverability of content and features.  E.g. removing menu items or relying on search instead of browse.  (it's hard to search for what I don't know exists.)