"When the government takes video of people in public places, the images should only be kept as long a..." — Adam Cohen

After you pay your E-ZPass bill, there is no reason for the government to keep records of your travel.

For technology companies, information about what people do online is extremely valuable - it can be used to sell targeted advertising or sold to data clearinghouses.

Patents have a place in medical science - for new inventions that advance the state of knowledge.

As self-driving cars become more common, there will be a flood of new legal questions.