Technology has greatly impacted society in many areas such as medicine, travel, education, communication and entertainment. In medicine, advances like keyhole surgery and brain scanning allow for improved and faster patient care. Transportation has been transformed with cars, trains, buses and affordable air travel enabling people to visit places around the world in hours rather than months. Education has benefited from computers making research easier and allowing online learning. Entertainment has evolved drastically with new devices, online access and more accessible activities. Communication technologies have shrunk the world, enabling people to connect instantly worldwide through the internet and mobile phones.