IIRC toe the line comes from boxing, in the old days the boxers would have to reach a line in the ring at the start of a round.

They're not making a GPU to mine Bitcoin, it's an ASIC. Read the article.

It's not two or three weeks, it's two or three days. Most grocery stores have three days worth of food on hand.

Not your keys, not your coins.

If all they offer is custodial wallets without withdrawals then it's just a trap.

There's an old poker saying "you can't beat the rake". Two perfect players will eventually lose all their money to the house in rake or time charges.

Zimmerman wasn't patrolling, he was running an errand, and when told that he didn't need to follow Martin he agreed and told the 911 operator he was returning to his vehicle.

Martin is still dead, though.

The "smoking gun" memo is most likely faked, see Megan McArdle's analysis at http://www.theatlantic.com/megan-mcardle/