Congress Grills Facebook On Plans To Share User Addresses, Cell Numbers

Last month, Facebook told developers they'd be able to get users' current address and mobile-phone numbers. Even though the feature would have required getting explicit permission from users, apparently it didn't go over too well in some parts. Three days later, Facebook put the feature on hold while it works on a better procedure to make it explicit to users when exactly they're granting access to their most direct contact information.

But now two members of Congress want to know more about these plans--the Republican and Democratic co-chairs of the Congressional Privacy Caucus sent Mark Zuckerberg a letter asking for a lot more detail about his plans for user phone numbers and addresses.

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