A smartwatch is a computerized wristwatch with enhanced functionality beyond timekeeping. Modern smartwatches effectively function as wearable computers, running mobile apps or full mobile operating systems. Early models performed basic tasks while modern smartwatches allow access to notifications, calls, messages, mobile apps, and some function as mobile phones. Smartwatch developers include Sony, Samsung, and Pebble. Advantages include faster access to information and social media, while disadvantages include potential distractions and reliance on a connected smartphone. Future smartwatches may have more innovative features, varying functionality, and be even smaller and more portable.