Good advice

[S]tyle earns trust. If readers can see that a writer cares about consistency and accuracy in her prose, they will be reassured that the writer cares about those virtues in conduct they cannot see as easily. Here is how one technology executive explains why he rejects job applications filled with errors of grammar and punctuation: "If it takes someone more than 20 years to notice how to properly use it's, then that's not a learning curve I'm comfortable with."—The Sense of Style, page 9