Here's how to do a poll on Facebook from a desktop or mobile device, to gather data for your business, make plans, or settle a friendly debate.

You can set or change your Facebook username to help others better identify your profile or page by a distinctive URL. Here's how to do it.

Passkeys offer a way of confirming you are who you say you are without remembering a long, complicated password, and in a manner that's resistant to common attacks on passwords like phishing and ...