Short URL is commonly used today for several reasons: avoid url garbling, take smallest space especially for long url which need to be posted at limited space format eg: twitter, also often used to manipulate user for specific purposes eg: hiding...

I had signup with plurk a year ago but haven’t “plurking” since i use twitter a lot, and for me both of them were created for same purpose, microblogging, sharing what you’re up to in few sentences and follow what your friends up to. Today i had...