Mary Meeker makes a good point about the shift of content flow; from being downloaded into smartphones from PCs and the cloud, to now originating on the phone and being sent up to the cloud.
Just explored the new photo capabilities in the Android Google+ app, and the new photo enhancements in plus.google.com/photos. This is awesome stuff, and I now realize why Yahoo recently announced that they would provide 1TB of storage space free for Flickr users. Flickr has nothing to compare with the new consumer type back-end-server type capabilities google now boasts of.
Photo taking from smartphones (as opposed to dedicated cameras) by “ordinary” human users is just going to keep ramping up massively. Next will come videos, audio recordings. Then the trick will be how to make all these extremely searchable.