The use of social media is exploding in Brazil. It's the third largest market for Facebook and the fifth largest for Twitter.
The controversial women-only app Lulu recently launched here and quickly became the top downloaded app in the country, making Brazil Lulu's biggest market.
"I think it is cool because it's a social network for what all women throughout history have always done — talk about the guys we like, the guys we think are handsome," says 20-year-old Marcela, as she taps away at the Lulu app on her iPhone.
Millions of people are turning their thoughts to self-improvement and New Year's resolutions this week. And one of the most common resolutions, after promises to lose weight or get in better shape, is to be better about money.
A handful of entrepreneurs in the Bay Area have taken note — and they believe the time has come for you to try a different way of managing your money.