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New York, UNITED STATES Honorees and Founders of Snapchat Evan Spiegel (L) and Bobby Murphy arrive at the Time 100 gala celebrating the magazine's naming of the 100 most influential people in the world for the past year, in New York April 29, 2014. REUTERS/Lucas Jackson Reuters

Snapchat, a photo-messaging application that came on the scene not too long ago, has managed to penetrate the mainstream in the U.S., the world’s second-largest market for smartphones, according to data from comScore. The report looked at leading social media apps popular among American smartphone users aged between 18 years and 34 years.

“Despite Snapchat’s relative novelty, it has already established itself as one of the most highly used apps among Millennials (18-34 year olds),” comScore’s vice president for marketing and insights, Andrew Lipsman said in a blog post on Friday.

The post added that the “eye-popping” valuations that social media platforms such as Facebook, LinkedIn and Twitter have received is due to their ability to provide access to “highly engaged audiences at scale, which translates into the opportunity to monetize through high volumes of ads and other high-margin products.”

The Snapchat app also forged ahead of Twitter in terms of popularity among smartphone users, according to comScore.

ComScore found that Snapchat with a 32.9 percent penetration, as of June 2014, was behind only Facebook (75.6 percent) and Instagram (43.1 percent), while Twitter lagged with a 23.8 percent penetration in the millennial demographic.