Instagram and Twitter are the most popular social networks

A new survey by investment bank Piper Jaffray found that more than 9 out of 10 American teenagers regularly use social media.It reveals Facebook's fall from grace has been sudden - from being used by 72% of teens in the spring to just 45% now. In the survey, analysts examined how children's social media preferences have changed over the last six months.Instagram has become even more popular, with 76 percent of teens currently saying they use it - up 7 percent since last spring.Twitter ranked second, used by 59 percent of teens. Facebook came in third. Pinterest and Tumblr each claimed a little over 20 percent. Another 20 percent of teens said they use 'other' social networks, not named in the survey but likely including some popular anonymous messaging services and the disappearing-message app Snapchat.Apple remains the top consumer electronics brand for teens, according to the annual fall survey of 7,200 teens, conducted in classrooms and electronically. (dailymail.co.uk)Bakudaily.Az