 One of the great values of modern information technology is that it makes the recording of information easy and almost automatic. Today, a growing number of people enter biometric data such as blood pressure, calorie intake, exercise patterns, etc. into applications designed to help them achieve a healthier lifestyle. This type of data collection could become almost fully automated in the near future. Through the use of smart watches or technologies such as the “Fitbit,” or gathered through a users smartphone, such as applications that use the GPS tracking to track the length and duration of a user’s walk or run. How long until a smartphone collects a running data stream of your blood pressure throughout the day perhaps tagged with geolocation markers of particularly high or low readings? In one sense this could be immensely powerful data that could lead to much healthier lifestyle choices. But it could also be a serious breach in privacy if the information got into the wrong hands, which could be easily accomplished, since third parties have access to information collected on smartphones and online applications. In the next section  (2.1.2)  we will look at some theories on how best to ethically communicate this recorded information to preserve privacy. But here we must address a more subtle privacy breach – the collection and recording of data about a users without their knowledge or consent. When searching on the Internet, browser software records all manner of data about our visits to various websites which can, for example, make webpages load faster next time you visit them. Even the websites themselves use various means to record information when your computer has accessed them and they may leave bits of information on your computer which the site can use the next time you visit. Some websites are able to detect which other sites you have visited or which pages on the website you spend the most time on. If someone were following you around a library noting down this kind of information, you might find it uncomfortable or hostile, but online this kind of behavior takes place behind the scenes and is barely noticed by the casual user. 