You learn to say big things in few words. For a news writer, this ranks with the highest of virtues.
2. Self improvement
Its long streams of links give you quick access every day to thousands of newly-posted online news stories, magazine pieces and blog posts. You learn new things before anyone else does. You spend less time searching and more time learning, an expression of that most Presbyterian of virtues: self-improvement.
Tweets burst into life, then vanish in seconds. This teaches you that nothing lasts forever. All is transient. All is vanity and a striving after wind. Behold and be humble.