Wifi

The Israeli Ministry of Health's mobile app, "The Shield", is intended to alert users if they have been at a location in Israel at the same time as a known COVID-19 patient. The app, which is available for both Android and iOS, works by collecting the GPS and WiFi network (SSID) information of a

As part of efforts to tone down street fights at night Statumseind in Eindhoven, the Netherlands, the city has deployed technology: wifi trackers, cameras, and microphones attached to lamp posts detect aggressive behaviour and alert police. The data collected by these sensors is used to profile

In 2010, Google revealed that a data audit required by Germany's data protection authority had revealed that since 2007 the cars deployed to capture images for its Street View project had accidentally captured 600GB of data from local wifi networks, including personal web browsing histories. Google

In May 2007, Google launched Street View, an add-on to its Maps service that allows users to see and "drive" through images of streets and buildings. Almost immediately, the service provoked controversy when users realised that these images included pictures looking through the windows of their

Google launched its first version of Android in 2009. Based on a modified Linux kernel and other open source software, Android provides the operating system for mobile phones, tablets, televisions, cars, wrist watches, and many other devices including digital cameras, game consoles, PCs, and

The Danish company Blip Systems deploys sensors in cities, airports, and railway stations to help understand and analyse traffic flows and improve planning. In the UK's city of Portsmouth, a network of BlipTrack sensors was installed in 2013 by VAR Smart CCTV, and the data it has collected is used

LinkNYC, a system of 1,000 public wifi kiosks across all five boroughs of New City administered by the private consortium CityBridge, offers free high-speed wifi, phone calls, a charging station for mobile devices, and a built-in tablet to access a variety of city services. Announced by the mayor's

Scientists at MIT have created an algorithm called "EQ Radio" that detects and measures individual heartbeats and therefore individuals' emotions by bouncing radio frequency signals - such as ordinary wifi- off of people. The algorithm works the same as an electrocardiogram but needs no leads to be

Using anonymised data GPS data from mobile devices, primarily smart phones, SafeGraph concluded that the crowds attending the US presidential inauguration in January 2016 make significantly less money than attendees of the Women's March two months later. The income level estimates were made possible

In 2017, Amazon was granted a patent has been granted a patent, first filed in 2012, on a mechanism that allows retailers to intercept network requests such as URLs and search terms on in-store wifi and either block shoppers from conducting online price comparisons or offer them discount coupons or

Caucuses, which are used in some US states as a method of voting in presidential primaries, rely on voters indicating their support for a particulate candidate by travelling to the caucus location. In a 2016 Marketplace radio interview, Tom Phillips, the CEO of Dstillery, a big data intelligence

In 2015, the Royal Parks conducted a covert study of visitors to London's Hyde Park using anonymised mobile phone signals provided by the network operator EE to analyse footfall. During the study, which was conducted via government-funded Future Cities Catapult, the Royal Parks also had access to

At the 2016 Usenix conference, MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) presented a system called Chronos that could use wifi signals to detect the position of a person or object inside a room to within tens of centimetres. MIT claimed Chronos was 20 times more accurate