The rise of social networks is also making it easier to tie people's real identities to their online behavior.

WSJ: They Know What You're Shopping For

And the most poignant moment was the manful William Rehnquist, unable to wear a tie and making his way down the long marble steps to swear in the president.

WSJ: Way Too Much God

Lots of corporations are still sectioning off digital and social media functions as separate units, making it more difficult to tie their work back to the bigger-picture strategy of the organization.

FORBES: Memo to Digital Experts: Broaden Your Horizons