A study shows that people who post too many photos of themselves ("selfies") on social networks risk harming their real-life relationships. Wikipedia says a selfie is "a genre of self-portrait…typically taken either with a camera held at arm's length or in a mirror." Britain's Birmingham University looked at how these photos affected the relationships of 508 participants. Their study found that sharing too many photos makes many people like you less. Researcher Dr David Houghton said only very close friends and relatives don't mind those who constantly upload selfies. Wikipedia explains the popularity of selfies. It says: "In 2012, Time magazine noted that selfie was among its top 10 buzzwords." Celebrities like Rihanna and Justin Bieber are famous for uploading hundreds of pics of themselves. Many people who post selfies may be shocked by the research. Wikipedia explains that the appeal of selfies comes from the control they give people over how they look. People want selfies to show a flattering image, especially to friends whom the photographer thinks will like the photos. The research may show that the exact opposite is true.