Dislike. Lots of wasted space. Viewing on my phone is fine as long as there's no resized text. I use Pinside mostly on my PC, however, and it now reminds me a lot of Facebook.
Screenshot 2015-05-31 10.37.39.png
Here's at full size:
Screenshot 2015-05-31 10.38.11.png
And here's what it looks like how I normally view it.