Everyone from regular people to celebs are posting selfie's online. INSIDE EDITION spoke to one author who says when and where it is appropriate to take one.
As the president is finding out, a selfie can get you in a lot of hot water.
Questionable selfies can get the famous and not-so-famous in trouble. A young lady made the front of the New York Post after taking a selfie as police in the background try to coax a suicidal man off the Brooklyn Bridge.
Randi Zuckerberg is the author of Dot-Complicated.
She told INSIDE EDITION's Les Trent, "The selfie is a global phenomenon. The Oxford English dictionary just named it the word of the year for 2013."
But when and where is okay to take a selfie and what's off limits?
She said, "You do not turn someone else's tragedy into a selfie moment. On Thanksgiving, Mitt Romney's son posed in a front of a truck that he had rescued people out of. Even if you are a hero, you still do not turn someone else's tragedy into a selfie moment."
Kim Kardashian's infamous selfie even had her friends turning their heads. Also, 70-year-old Geraldo Rivera had the Twitterverse in overdrive when he posted an ultra-revealing selfie.
Zuckerberg said, "It is one thing to take a selfie, it is another for that excessive need to share those photos."
But what about this new trend? Selfies at funerals? Believe it or not, there are hundreds of images online of selfies taken at loved-ones funerals. In one photo, two teens were happy with their outfits. One kid took one with his grandma in the coffin behind him.
Now, even the president is taking selfies, a trend people just wish would go away.