Read receipts are notifications that inform a sender when their message has been opened and read by the recipient. This feature is commonly found in messaging apps like WhatsApp, iMessage, and Facebook Messenger. It helps users know if their messages have been seen, which can enhance communication clarity. However, read receipts can also lead to misunderstandings or pressure to respond quickly. Some users may choose to disable this feature to maintain privacy or avoid feeling obligated to reply immediately. Overall, read receipts serve as a tool for communication but can have varying effects on user interactions.