Yahoo Messenger lets you delete, or send a message so that it will be removed from the conversation for anyone else who's a part of it. For instance, if you sent the message "Bye" but later changed your mind and want it deleted, you can send it even if the other person has read it already.Unsend From a Computer Note: The web and mobile version of Yahoo Messenger let you clear the conversation to remove the history from the message.You can configure your webcam using Yahoo Messenger Preferences.If you're having trouble using your webcam with Yahoo Messenger, verify your system requirements and test your settings with the Yahoo Video and Voice Setup assistant.Michelle Varsallona started writing professionally in 2009.

A “Video Call” allows you to broadcast your live webcam with someone in a personal conversation, and if a microphone is enabled, the person on the other end will be able to hear you speak as well.A conversation window opens with a preview of your webcam while you wait for your contact to answer the call.After your call is connected, your video is shared automatically with your contact.Repeat the process to invite others to view your broadcast.You can request to view a contact's webcam by clicking "More Actions" and then "View Webcam."Click the "Actions" menu at the top of Yahoo Messenger and then "Start Video Call…" Select the person you want to call, or click "Other Contact" and enter his Yahoo ID, and then click the "OK" button.