A Lou-ouija board.
Light bulbs
Olive Oil.
Cell phones
Because they can't reach the high notes. Bonus: how does dwarves communicate? Smalltalk.
Denim denim denim
There are two answere: Time and Boo (from Mario games). Just made this joke up what do you guys think
One connects to all your devices and access your data, one connects to all your devices and access your data.