U.S. Angels put $9.2 billion to work in the first and second quarters of 2012, a 3.1% increase from the same period a year earlier, according to estimates by the Center for Venture Research at the University of New Hampshire. For all of 2012, the Center estimates that U.S. angel investment deals increased 3% and total investment dollars rose by 3% to 4%.

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Site Unseen: More 'Angels' Invest via Internet 
The Wall Street Journal (1-23-13)