The issue focused on technology's potential to serve as a digital digital privacy bulwark. The administration called for technology companies to create systems that allow users to share digital content like photos and videos without giving them away to third parties.

But technology companies like Facebook and Google have warned that such systems could give hackers access to user data. The technology industry also warned that technology companies could keep users' data under strict internal controls to prevent hackers from accessing it.

At the technology conference, Facebook Chief Executive Mark Zuckerberg