Twitter clients (including the default web interface) auto-tinyURL every URL put into it. Clicking on the link involves not one but *2* HTTP GETs and one extra roundtrip.
How long before tinyurl (and bit.ly, ti.ny, wht.evr...) are cached across the internet, just like DNS?
Never buy what you do not want because it is cheap; it will be dear to you. -- Thomas Jefferson