I was getting ready to use a different, free, url shortener on some of my publications. I decided I wanted something more professional and looked here on AppSumo to see if there was an url shortener and found this one-time purchase! I quickly bought a domain, added the A record, emailed T2M to set up the SSL and I was literally able to get my links in my publications within the hour!

It has great analytics, links can never expire if you choose, you can create dynamic QR codes with the plan I purchased. I am sure I haven't delved into all the uses with this great tool yet.