When visiting a public place and using the restroom facility, ever wondered what is taking people such a long time to exit the restroom and what is the reason for the long queue? Well, it appears now that the culprit is the social networking sites, especially Facebook and Twitter.

Apparently, 21 percent of adults in the U.S., who are in the age group of 18 to 24, confirm they tend to use social media in the restroom, USA Today has reported.

Commenting on the development, Deirdre Bannon, vice president of social media with NM Incite told USA Today: "Social media is truly everywhere in people's lives. It is so ingrained and has touched every facet of everything we do all day long. We are literally taking our phones with us to the bathroom and connecting on social media."

However, age seems to be a limiting factor in driving social media usage in the restroom.

Around 25 percent of individuals in the age group of 25 and 34 seem to engage the social network in the restroom as 15 percent between 35 and 44 years of age use social networks while visiting the restroom.

NM Incite, a joint venture of Nielsen and consulting firm McKinsey & Co., undertook a study with more than 200,000 internet users in July. The findings appear to roughly coincide with online measurement firm comScore's report comprising the U.S. internet users of 234.9 million.

And the restroom habit does not appear confined to a particular gender as both 14 percent of men and women seem to engage in such behavior.

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