Does your business need a blog? A blog is a Web log, an online journal. Blogs started out as online diaries, in which diarists shared their everyday lives with the world. From their beginnings as a weird Web fad in 1998, blogs have moved on, and are well on the way to becoming a standard business tool. Why? Because in February 2003 Google.com bought Pyra Labs, the company which owns the Blogger weblogging tool. Blogger.com, one of the main sites providing blog software and hosting, boasted a .