I want a tool that lets me schedule tweets ahead of time. That tool is TweetDeck and it is 100 percent free. Twitter acquired TweetDeck in 2011 and integrated it into its existing technology.

The redeeming quality is that doing Twitter-things with TweetDeck is much more intuitive. TweetDeck was the definitive power-user’s app. Now, it’s just a multi-column Twitter app that can schedule ...