This is a selfie: You take a pic of yourself.



This is a Seifie: Some other takes a pic of you ginning next to a dude named Seif who was able to board a plane with bombs attached to his waist so to hijack it.



http://mashable.com/2016/03/30/selfie-man-with-egyptair-hijacker/#3LhXnBN6KSq7

"selfie" is mention ten times in that article.