I know the follow feature isn't being used too much at present, hopefully this changes as the site grows.
If you are following members and viewing the latest images in InstaView there is an option under the filter to view images only from members that you are following. I might put that in a more prominent place so that it isn't missed. Also when you view your Newsfeed you'll see content from members that you are following.
In the next update to InstaView there will be some extra follow buttons added to make it easier to follow members when you are browsing images there.
Thanks for encouraging others to use this feature Steven! 
