Marco Arment took the time to comment on [this post](http://brooksreview.net/2011/09/ego-less/) of mine:
> In addition to removing the emotional rollercoaster of follower counts and unfollows, this may actually increase following activity: if people realize that others won’t know when they follow or unfollow, they may feel more comfortable doing so.
You should read the entire post about why he chose to make Instapaper’s features the way he did, it’s fantastic.