At their worst, message boards can subject you to mindless braying or outright stock scams. But at their best, they provide meaty insights on just about every stock imaginable.

Some hedge fund managers have made big bucks trading oil futures - George Soros is one.

People are told their rights when they're arrested. Consumers getting collection letters are entitled to the same courtesy.

I'm rooting for Saudi Arabia getting a seat on the U.N. Human Rights Council.

We need better options for securing the Internet. Instead of looking primarily for top-down government intervention, we can enlist the operators and users themselves.

I'm a pretty early adopter of social media. There's a whole subculture to it. I'm smart enough not to tweet things out of emotion.

We fear hackers lifting our digital wallet, a public accounting of our private lives, and we wonder if the shoes that follow us around the Internet will someday, with the click of a distant mouse, look like the jackboots of old.

In terms of building consumer products, the U.S. and China are ahead of India. The interesting opportunity for India is whenever there is a disruption in technology, it gives every country a chance to leapfrog and take a lead. To take an example, China is leaping ahead in growing the China electric vehicle ecosystem.