Dr. Mike Varshavski, who was named New York City's most eligible bachelor and called the sexiest doctor alive by People magazine, has 2.6 million Instagram followers.

Danielle Bernstein is behind the blog "WeWoreWhat," and documents her life through her social media accounts, blog, podcast, and YouTube channel.

Pietro Boselli became a viral sensation when photos of him taken at the University College of London, where he was teaching, went viral.

A new Instagram feature will allow businesses to schedule their posts ahead of time.

Instagram adds a last-active feature that will display in direct messaging.

Instagram released data revealing some of the most popular posts of the past year.

Instagram is making changes with new tools and programs to reduce abusive comments on their app.

As Instagram rolls out enhanced features to help prevent online harassment, ABC News' Becky Worley discusses what parents can do to protect their children online.

The company now believes as many as 6 million verified and non-verified accounts may have been affected.

Restaurants hire Dillon Burke to make their dishes shareable on social media.

Dr. Elizabeth Lombardo weighs in on how one study found that certain filters can suggest a likelihood of depression.

Robbie Tripp posted a photo with his wife Sarah on Instagram with a note celebrating her curves, and social media has dubbed him both a hero husband and a fake feminist for his comments.

Instagram adds selfie filters that include koala ears, nerd glasses and crowns.

ABC News' Becky Worley looks into how mothers are using social media marketing to make money.

The Federal Trade Commission sent 90 letters to celebrities and brand marketers.