From kickstarter: ASMO – Smart charger for smart people

[notareal]

I did happen to spot this "World's first mobile phone charger that switches automatically off when you unplug your phone - and back on, when you reattach it!"
https://www.kickstarter.com/projects/encompass/asmo-charger-the-worlds-first-truly-intelligent-ch

Nice idea, save energy and make fire hazard risk smaller.