It took several really bad admin panel UIs to make me realise that I rarely notice usability, just its absence.
miniblog.
Related Posts
Shower thought: Smalltalk (and to some extent other OO languages) replace pattern matching with dynamic dispatch.
I miss pattern matching in Lisp dialects without a good implementation, but I haven't noticed its absence in Smalltalk.
There are Only Four Billion Floats–So Test Them All! https://randomascii.wordpress.com/2014/01/27/theres-only-four-billion-floatsso-test-them-all/ (exhaustive testing can prove absence of bugs!)
You can't prove the absence of bugs, but 91% test coverage on an important system does help me sleep at night.