Thanks to technological advances and the internet, it’s possible that smart devices can play a role in virtually everything you do each day, starting with alarm clocks waking you up, to toothbrushes analyzing your technique, not to mention that all-important pot of coffee waiting when you walk in the kitchen.

Don’t forget to add smart televisions, washing machines, vacuum cleaners, security systems, home heating and cooling devices, and artificially intelligent personal assistants to the list.

But there are significant risks involved, and the road to automation hasn’t always been a smooth one. Here are some moments and devices that have caused headaches for owners.

See our cover story: The Dangers of Digital Things.