This has been making the rounds lately, but considering the countless times I’m sure we all could have used this it’s most likely worth another post.
Using rotating electrical outlets eliminates this problem and allows you to insert bulky or tall power boxes where you once had no space. Simply rotate the outlets to the angle needed to fit your power cord. Both heads are fully rotational (360 degrees) and move independently.
(Beige / White / Black)
(also, remodelista posted a triplex outlet that would solve the same sort of problem)