The iWorld

Ele-zeta has written a very useful plugin called Time To Read!This plugin allows you to know how much time an average user would take to read your particular post. This is a very important plugin from the usability point of you. You can now get an estimate of how much time a user will have to spend to go through your whole post! Now if you're writing for a busy niche, then you should really count your time to read, or else your posts will not get the attention that you want!

Download the plugin and install it at the first place!
Happy Wordpressing!