Google recently released the following blog post:
http://googlewebmastercentral.blogspot.com/…/finding-more-m…
The bottom line is, if you do not update your site to a mobile-friendly status before April 21st, 2015 you may start seeing negative consequences to your online metrics, including rankings, traffic and revenues, as soon as that date and thereafter.
Let us know if you have any concerns about your site.
