Instagram’s popularity surged between the spring and fall. The report said that 72% of the surveyed teenagers were active on Facebook as of April, but now it is down to 45%. Instagram usage jumped from 69% to 76%. The results for the other social networks are as follows: Twitter TWTR +1.59%dropped from 63% to 59%, Reddit maintained at 7%, Tumblr stayed steady at 21%, Google GOOGL -1.97%+ dropped from 29% to 12% and Pinterest increased from 21% to 22%. Instagram is the highest preferred marketing channel at 38% compared to Twitter at 34% and Facebook at 21%. Snapchat was placed in the “other” category of the chart below, but the appendix of the report said that the ephemeral messaging app was up from 1% in the spring to 4% now.