Facebook Inc (NASDAQ:FB) is now used by almost everyone having an access to the internet. While earlier it was popular mainly among the youth, but now it is popular among users of all ages. The most important question at this point is whether or not Facebook has reached its saturation point or not. Facebook at top, but Instagram and Pinterest rising According to a report from Pew Research Center, Facebook and Twitter Inc (NYSE:TWTR) have reached a plateau in terms of user growth when compared to services like Instagram and Pinterest. Citing survey results, Pew says Internet services are being used by 85% of adults while smartphones are used by 67% of them - many of whom log into... More