LocalBitcoins (for small amounts, cash)
Bitcoin client global downloads
Bitnodes Active Nodes on the Network
Coinometrics Transaction Volume
Currencies flowing into BTC real time
Best explanation of Bitcoin as money (Eric Voorhees speech at Bitcoin 2013)
Summary video (Weusecoins.com)
Wired Magazine's take on Bitcoin
How a bitcoin transaction works
Video: The Rise and Rise of Bitcoin
Social+Capital (Chamath Palihapitiya)
Union Square Ventures (Fred Wilson)
Lightspeed Venture Partners (Jeremy Liew)
Andreessen Horowitz (Chris Dixon)
Bessemer Venture Partners (Alex Ferrara)
High-Profile VCs Caught up in Bitcoin Mania
Paul Krugman, The New York Times:
Bitcoin is ludicrous, but it tells us something important about the nature of money
Neil Erwing, The Washington Post: Great, now engineers think they can be economists too
Bryan Godlberg, Pandodaily: Great, now engineers think they can be economists too
Matthew O'Brien, The Atlantic: Bitcoin is the Segway of Currency
David Evans, PYMNTS.COM: Bitcoin Is A Remarkable Innovation, Here’s Why It Will Fail
Karen Webster, PYMNTS.COM: Would A Bitcoin By Any Other Name Smell As Sweet?
Charlie Munger: Bitcoin is like rat poison
Gary North: Bitcoins: The Second Biggest Ponzi Scheme in History
Globe showing all active Bitcoin nodes
Bitcoin client global downloads
Bitnodes Active Nodes on the Network
Coinometrics Transaction Volume
Bitcoin: A Peer-to-Peer Electronic Cash System (May 2009 p aper by Satoshi Nakamoto)
The New Yorker tries to find out who is Satoshi Nakamoto
Fast Company replies to the New Yorker article
Ted Nelson thinks he knows who is Satoshi
Sergio Lerner on Satoshi’s fortune
Foreign Policy: The Shadow Superpower
Robert Neuwirth: The power of the informal economy
Forbes: Could Bitcoin become the currency of System D
Bitcoin: A P http://evoorhees.blogspot.com.ar/2013/05/bitcoin-2013-role-of-bitcoin-as-money.html?m=1 http://evoorhees.blogspot.com.ar/2013/05/bitcoin-2013-role-of-bitcoin-as-money.html?m=1 eer-to-Peer Electronic Cash System (May 2009 p aper by Satoshi Nakamoto)
Detailed video on technical aspects
Stanford paper on 51% vulnerability
Bitcoin policy primer by Mercatus
Schwatz & Ballen memo about FinCEN guidance
White paper on regulatory landscape
http://www.bitcoinstarter.com/
http://celular.bitrecargas.com/
https://www.havelockinvestments.com/
Primary message board for all things Bitcoin
criptomonedas@googlegroups.com (Argentina, good for buying/selling btc there)
Facebook groups:
https://www.facebook.com/groups/BitcoinArg/ (Argentina)
https://www.facebook.com/groups/434507713266778/ (Latin America)
Freenode.net #bitcoin
Freenode.net #bitcoinassets
Freenode.net #mtgoxlive
Freenode.net #bitcoin-market
Freenode.net #bitcoin-ar (Argentina btc community)
Freenode.net #bitcoin-bra (Brazil btc community)