To become a follower on Blogger just go over to left side of the page top corner under OUR CREATIVE CLUSTER OF FRIENDS click on the Follow button... then click on Google and it should bring up a google account sign in ... It will have your email (usually) and then you type in your password ... Then make sure you click on follow publicly, click on follow this blog (button on the bottom)... From there you can click on invite friends, view your blogger dashboard or DONE...
AND that is how you become a follower of any blogger blog... :)