I've stopped writing thank-you cards and my kids don't have to write them, either. We express our gratitude in other ways.

These days, an estimated 95% of all Insider Inc. editorial applicants send thank-you notes after interviewing, unprompted. That suggests most people I meet still find the practice relevant.

I look forward to hearing from you.” Sending a thank-you note after an internship interview can make a big difference in your chances of getting the internship. It will also leave a positive ...