Blogs are just open diary or electronics journal which are regularly updated by the blog owners. Now a days their are personal blogs on custom domains or blogs which are free through leading Free blogs offering websites like Blogger.com / Blogspot.com is the blogging facility for free to the users by Google Inc. while WordPress is also one free blogging website and opensource blog cms which users aruond the world uses for managing their personal or multiple blogs. Yahoo has started Yahoo 360, Tweeter is a microblogging website which is very popular around the world for its handy in nature and 140 character message restriction. Live journal, tumblr, xanga, typepad, blog.com, sosblog, myblog, aeonity, blogreaction. journalhome, Greaterstjournal.com, insanejournal.com, journalfen.net, blogcheese.com, blogbond.com, freevlog, busythumbs, trippert.com, Ufem.com, word count journal, xanco, blogetery, blogrox, blogsome.com, edublogs,com, wordpress.com, blogladder.com, blogr.com, blogspirit.com, blogster.com, blogyx.com, bloki.com, bravenet, clearblogs, etribes, opendiary, multiply, netcipia, soulcast, shoutpost, terapad, weebly, tooum, window live spaces, vox, zoomshare.com etc.
For all these blogs you just need to visit the website and register / sign up for the free blogging.
Once you are done with the account creation next you need to choose a blog address which is either a subdomain on the blogging website you are opting for the custom domain your are directing towards the blogs hosting service.
Blogger / blogspot and wordpress are the leading blogging websites.
Ask below if you have any problem in creating account in any of the blogging websites.