Apps, optimized websites, content-sharing networks like Instagram, etc.
Basically, the flip side of the increased consumption is that it's a lot easier to get your work out to other people, which means people who previously couldn't or wouldn't are now becoming producers. For example, a lot more people are publishing books for e-readers because those platforms make it so easy — with Amazon, it's pretty much as simple as logging into your Amazon account and uploading a text file. Web series (e.g. "The Guild") are a viable medium because so many people have these easy-consumption devices.