Here we go with our Technology Talk series, below is the list of some interesting articles from the blogosphere.

• Steve Rubel explains you how to turn Gmail into a social hub to catch up with the social network overload
• Madhur gives us some Tips on promoting your blog
• Brown Baron has a nice post on what to do when you don’t know the file extension of a file: File Extensions.org: Know Your Files
• If you are a music junkie check out Nirmal’s post on Top Music Add-ons for Firefox.
• Rony John has a post on Useful Collection Of Screencasting Softwares, there are some nice tools for creating screencasts.
• Shankar Ganesh has listed Top Free Download Managers For Windows