Kurt Wagner Alex Webb Bloomberg

During today's testimony before a Congressional antitrust panel, Mark Zuckerberg went off-script a little bit -- at least the script we expected -- pointing out how Facebook Inc. lags behind a number of competitors, including Alphabet Inc., Amazon.com Inc. and Apple Inc.

During today's testimony before a Congressional antitrust panel, Mark Zuckerberg went off-script a little bit -- at least the script we expected -- pointing out how Facebook Inc. lags behind a number of competitors, including Alphabet Inc., Amazon.com Inc. and Apple Inc.