• Facebook listed Amazon as a competitor for the first time in its annual report.
  • Facebook says it competes with Amazon in advertising.
  • Amazon joins Google, YouTub, Tencent, and Apple on Facebook’s official list of rivals.

Facebook has a new rival: Amazon.

The two companies have occupied the tech industry’s top ranks for years, and they have increasingly encroached on each other’s turf. But on Thursday, Amazon’s fast-growing online advertising officially became a threat in the eyes of Facebook.

“We compete with Apple in messaging, Google and YouTube in advertising and video, Tencent in messaging and social media, and Amazon in advertising,” Facebook said in its annual 10K filing with the Securities and Exchange Commission on Thursday.

The filing marks the first time the Amazon name has appeared…