# Directionally correct idea with something missing Things that could be missing: * The implementation doesn’t address a key constraint of the idea * The implementation could suck <!-- #mental-model --> [Web URL for this note](http://notes.benjaminreinhardt.com/Directionally+correct+idea+with+something+missing) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Directionally+correct+idea+with+something+missing)