John MacAfee: "If not, I will eat my d*ck on national television."
Just think about that response for a second. Imagine you didn't know the context, like you just walked into the room as he said that. 
Of course, more recently John MacAfee upped the ante by doubling up his foreskin forecast to say that he would eat his own d*ck if Bitcoin didn't hit $1 million by 2020
So where is John MacAfee getting his prediction models from?
James Altrucher gives some insight with this response:
"I'll say $1 million by 2020, as well, easily," James Altucher says on CNBC's "Squawk Alley." "There's 15 million millionaires around the world. All their financial advisors are going to say, 'Hey, buy a bitcoin. You need some exposure."
https://www.cnbc.com/2017/11/29/james-altucher-predicts-bitcoin-will-reach-1-million-by-2020.html
If this prediction model holds water, maybe McAfee will have to live with the disappointment of not eating his d*ck on national television, but until then, keep your coins safe. Buy a Ledger, or another hardware wallet. Mr McAfee might be the most paranoid man in the world, but as the saying goes, Perfect paranoia is perfect awareness. I think the guy sleeps with a pillow under his gun, or maybe he's really just crazy.
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As always, good luck and good fortune to all my fellow Steemians. If you like this point, feel free to toss me and upvote or a resteem.