I gathered a preliminary list of sources for my Visual Web Trend Research.
The list will prbably expand as I go on.
Besides this list, I will also be consulting people working in the industry.
http://readwrite.com/2013/12/18/visual-web-2013-trends#awesm=~oznTfVyDdB2Glf
http://readwrite.com/2013/10/24/pinterest-tumblr-instagram-visual-web#awesm=~oznTlItz1Yw3XL
http://socialmediatoday.com/irfan-ahmad/1919371/exponential-growth-visual-web-infographic
http://www.forbes.com/sites/lorikozlowski/2013/12/11/in-image-advertising-how-to-monetize-the-visual-web/
http://www.getuptospeed.biz/the-visual-web/
http://www.slideshare.net/therabbitagency/the-visual-web
http://gigaom.com/2013/07/02/three-truths-about-the-visual-web-we-can-learn-from-we-heart-it/
http://www.chicagonow.com/digital-media-curator/2013/12/2014-will-be-known-as-the-year-of-the-visual-web/