What is blogosphere?
From Wikipedia.
The blogosphere is made up of all blogs and their interconnections. The term implies that blog exist together as a connected comunnity (or as a collection of connected communities) or as a social network in which everyday authors can publish their options.
The term was coined on September 10, 1999 by Brad L. Graham, as a joke. It was re-coined in 2002 by William Quick, and was quickly adopted and propagated by the warblog community.
Blogosphere today
Blogosphere becoming every day greater. Every day coming up a lot of blogs, which means a lot of competitors.
Is this good? Yes, for both. For blogger and visitor. For bloggers because of competitors must strive to improve the content. Which means that visotor will read better content.
If blogger wanna create a blog and step out of crowd, I mean create a successful blog, must write good content for the blog. There is no doubt, content is most important for success. But don’t forget about design, promotion,…

Blogosphere become very competitive. There are a lot of new blogs and some of them already become popular in few moths. Don’t give up and you will succeed sooner or later.