This means the spring floods that cleared the river of vegetation no longer happen, making it difficult for the cranes to use the length of the river to roost out of range of most predators.

BBC: Nebraska��s awe-inspiring crane migration

After all, why buy a brand new expensive computer that's difficult to learn when you can get an easy-to-use tablet that can do most of the same stuff at a fraction of the price?

CNN: Is the PC dead?