Here I am focusing some of them :
(1) Being on a CMS plateform , its is most user friendly.
(2) Absolutely free of cost.
(3) It let user to use diffrent themes .
(4) Blogger allows user to use custom domains same as wordpress, wix etc .
How to set up free blog with blogspot.com
(1) Signup to blogspot.com or use your Google account i.e Gmail
(2) Click on create new blog option. Input your blog title and desired address (URL). Check its availability Now click on create blog button.
(3) Now you will redirect to blogger dash board.
(4) Click on your blog name and go to “overview” option to set up other blogger features.
(a) Post to create new post
(b) Comment option is for put comment under moderation or approve them
(c) Google+ just to on blog sidebars, you can customized them as need with different widget provied by blogspot.com
(d) Stat to check page view and visitors stats
(e) Earnings: if you have Google adsense account, you can use it to monetize blog.
(f) Template: this option let you to set beautiful themes provided by blogspot.com. You can even
use free themes in XML files. Just upload a XML files and save it.
start using blogger right now and enjoy freedom of expression.