Note-taking apps typically aim to make you more efficient and productive. A lot of those apps concentrate on quickly jotting down your thoughts, organizing them better, or a mix of both.

Your iPhone's Notes app can work as a private messaging tool, and most people have no idea about this. Instead of downloading another app for secret chats, you can use the Notes app you already have.

Boy, what a difference it made. He was recently married, and many people have told me what heartfelt thank-you notes they received in a timely manner and how much they were appreciated.

MAKE THANK-YOU NOTES TRENDY AGAIN. Dear Heloise: The concern over the lack of thank-you notes in today’s society is ongoing, and the solution seems elusive.