Twitter, Losing Millions 140 Characters at a Time

"Twitter pulled back the curtain on its $1 billion initial public offering, revealing that the social network is still unprofitable."

"In its first public financial statement, Twitter said it lost $79.4 million on $316.9 million in sales in 2012. The company is on track for an even steeper loss in 2013, but sales are also rapidly increasing."

What's the old joke about losing a penny on each sale, but making it up in volume?