Of the 2,608 photos the top 100 brands shared in the past quarter, 98 percent were posted to Facebook.
In November, roughly one-half of the brands on Instagram used filters, but that number has reduced over time.
As of February 1, 69 of the Interbrand 100 had a Pinterest account and 59 an Instagram account, up from 63 and 54, respectively, 3 months earlier.
Thirteen percent of internet users are taking and sharing pictures with Instagram.
Facebook, which (surprise!) ranks as the most popular social network, used by 67% of respondents, proves particularly appealing to women (72%).
Facebook is presently seen as the key social platform; 95% of luxury marketers said they were actively engaging customers there.
The iPhone apps on the list that saw the biggest year-over-year growth were Facebook Messenger (+554%) and Instagram (+197%), also owned by Facebook.
Facebook is the most common social media site used, with 99% of arts organizations saying that they have a profile on this site.
This infographic documents the social media highlights of 2012.
This infographic by Marketo takes a look at the state of B2B content marketing.