Jenna Wortham

The New York Times technology reporter offers insights into the ways that the growth of social media is changing the way we communicate. Also, she really, really loves Beyoncé and emojis. —Victor Luckerson

Follow @TIME & tell us what you think of our list using hashtag #Twitter140

Your browser, Internet Explorer 8 or below, is out of date. It has known security flaws and may not display all features of this and other websites.

Learn how to update your browser