Google may be testing or it may be a bug hiding reviews by collapsing them in a "more" links. This was spotted by Jason Brown and posted on Twitter but others said they have seen this recently as well.
Here is Jason's screen shot:
I guess this can be a good thing for a business with a lot of negative comments? But honestly, it looks like a bug to me, it just seems off and wrong. But I've been wrong before.
Forum discussion at Twitter.
