Motorola accuses Samsung of stealing ideas, but was it the first to come up with them?

Lenovo-owned Motorola publicly whines on Twitter that Samsung stole its ambient display idea, perhaps forgetting it wasn't the first to do it

The world of technology is so full of innovations, borrowed ideas and repackaged functions that it is sometimes difficult to work out who did what, and when.

At least, that's probably Motorola's excuse.