Q: What is BTC?
A: BTC or BitCoin is Gold 2.0.

Q: What is the price history for BTC?
A: Google shows historical prices for BTC.

Q: How much does 1 BTC (BitCoin) cost right now?
A: See exchange.r.cx

Q: How can I trade (buy/sell) BitCoin?
A: GDAX.Com is best because of $0 fee for USD deposit and withdrawal and 0% fee on maker trades.
A: Cex.IO is good for Margin leverage trading and 0% fee on maker trades.
A: OkCoin is good for Margin leverage trading and 0% fee on maker trades.