I like this layout for the twitter cards a little more. I took one of
the reviews out - as he doesn't have that many followers and I think th
e composition of having an odd number is a little nicer.
Merge branch 'gh-pages' of github.com:davetron5000/dvbk into gh-pages

* 'gh-pages' of github.com:davetron5000/dvbk:
  Typo
  better
  notes for early adopters buying the actual book
  rel nofollow on buy links