There's been a wide range of reactions to this move, on the Net, from quite negative to positive. Here are some:
Search Engine Land and Search Engine Land again
Forbes.com's Wendy Tanaka
TechCrunch's latest post on it - they had a few before - see the links in above post.
As this Bob Marley song goes (video below), "time alone will tell" whether it's a good move or not ...
Vasudev Ram - Dancing Bison Enterprises