There are two main foes in consumers' ongoing struggle to preserve their online privacy: companies that collect data and track people's online behavior to sell them things, and law enforcement agencies that collect data and track people to investigate crimes.

CNN: 5 big tech issues await Obama in second term

Many companies now collect large datasets on consumer behavior, be it online search patterns or user demographics.

FORBES: The 15 Most Valuable College Majors

Analyzing raw data derived from specially designed social sensing ID badges that collect quantitative data on human behavior, Waber began drawing out patterns to help predict outcomes in a variety of situations.

CNN: Workplace happiness: What's the secret?

We were amazed you could not only collect, search and analyze past behavior, but you could now have some insight into what people would do next.

FORBES: 5 Things Every Business Needs

Early on, we began to collect information about PC performance, tracking and identifying patterns of behavior that caused negative effects on speed and stability.

FORBES: Iolo Technologies Exec Explains How To Boost PC Games Performance

The second problem is that people will change behavior as they lose tax benefits, and that will reduce the amount of money government will collect.

FORBES: House GOP Would Need $5.7 Trillion In Tax Hikes to Offset Ryan Rate Cuts