Are publishers putting the squeeze on bloggers?

There are worrying signs from some quarters that online reviewers are being held to much stricter terms than traditional journalists receiving review copies
http://www.guardian.co.uk/books/booksblog/2011/dec/05/publishers-bloggers

Also, Martin Boyce wins Turner Prize. I'd have chosen him:

https://apps.facebook.com/theguardian/artanddesign/2011/dec/05/martin-boyce-turner-prize-winner