This example shows one of the problems involved with electronic payments that were outlined today by Snyder and other financial service experts before the U.S. House Subcommittee on Domestic and International Monetary Policy.

CNN: House panel explores electronic billing

This one, for example, from the OECD, shows how a composite of leading indicators - the red line - often move about six months before another measure of real economic activity.

BBC: The popcorn route to recovery

For example, the report shows that roughly one in four adults (26.8 percent or 64.3 million Americans) volunteered through an organization, marking the highest rate since 2006.

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For example, shows can be watched in one of four video-quality levels (low, medium, high or auto), but people might not know what their network is capable of playing.

WSJ: For Live TV on the Go, Aereo Is Impressive But Limited

But their example most plainly shows that sociability isn't a one-step but a do-si-do: a continually reciprocal dance of body chemistry and interaction.

WSJ: Looking Beyond Oxytocin, the Love Drug | Marvels

Vivendi Universal is a good example: Thomson First Call shows 14 analysts keeping tabs on the shares traded in Paris, but only one analyst tracking the U.S.-traded Vivendi ADR.

FORBES: Best Analysts: Forbes 2000 Standouts