Timely is one of the most useful Twitter scheduling tools I've come across. My personal favorite was Buffer , a service that lets you add tweets to your queue and then posts them automatically according to a schedule that you specify. However after just one use, Timely has taken over as my new favorite tool for scheduling tweets.   What makes Timely so unique? Well the name says it all. Not only does it schedule tweets for you, but it automatically schedules them based on the ...