Google Changes

[#1]

Google is about to alter its search engine system for smartphones/
Google Change
Effective Tuesday.

[#2]

Get set for more empty white web pages.

[#3]

Noticed a few days ago on my sites that the google bots have doubled and looking for 'mobile' and 'm', etc. Wondered why the change.
I've changed my sites into 'responsive' pages now. Not sure how this will play with google recognising them as mobile friendly, or not, being as though they get 404s on mine.