Business Insider asked etiquette experts when it's appropriate to send a handwritten thank-you note. They said a note is essential after staying at someone's home or receiving a personalized gift.

In a world where communication is often reduced to quick texts and social media posts, the art of expressing gratitude can sometimes be overlooked. Many people wonder whether they really need to write ...

It’s hard to imagine there’s anyone who still finds an emailed thank-you note from a company endearing. How about a handwritten card from the CEO? That’s surely more likely to elicit a warm response, ...