There was a lot of hype and mis-information around Google's update on 21st April 2015. As Google strives to keep ahead of it's search engine competitors, they recognised the increasing importance of mobile-friendly websites as there has been an exponential increase in searches from mobile devices. Google wants to deliver results that work.
Lots of web design companies jumped on it as an excuse to sell mobile-friendly websites. Fair enough, as many businesses may have suffered but as we have explained here, mobile-friendly isn't the whole story. If you don't choose it'seeze, do make sure you work with a company that can give you a responsive website design that you can edit and control yourself.