As many as 200,000 people have marched through Brazil's major cities protesting economic imbalances. The Kremlinology of Ben Bernanke. And what Jay-Z’s deal to offer his new album to every new Samsung customer and what it says about the future of music distribution.

Happy Birthday -- to copyright? Documentary filmmaker Jennifer Nelson is challenging the copyright to the happy birthday song after being  asked to pay $1,500 to use the tune in her film. And we wrap up our series on the consumer economy by looking at opportunity cost and the value of things.

Google, Microsoft and Facebook are calling on the U.S. government to reveal how often they get national security requests for information. The Internet companies are fighting the perception they were willing participants in the National Security Agency's widespread monitoring of electronic communications. Also, Pandora buys a small radio station South Dakota for what it hopes are big savings. And our "Consumed" series continues, as we delve deeper into the half-life of the consumer economy.

Can we really afford all the things we're buying? We explore the consumer economy in our new series "Consumed." First up: how we're pushing our kids to get ahead in the consumer arms race. Plus, Google is buying crowd-traffic-mapping app Waze. In light of the whole PRISM deal, how does voluntary data compare? Also, business bankruptcies are way down.  We take a look at who is still going bankrupt and why.

Today we head to a graduation, but not just any graduation. It's Oyler School's graduation — the school we've been following for a year. In the news, Verizon is handing over telephone data, but for what? And how is the government going about finding its needles on the digital haystack? Plus, all of the junk in the ocean, documented. The Monterey Bay Aquarium has been doing so for 23 years. Our story is on the cost of the junk: what we paid to get it and what we'll pay to get rid of it.