The app is designed to capture GPS coordinates, date and time stamps, sensory and movement data, and the location of nearby objects such as Wi-Fi networks.The technology also creates a secure chain of custody to help verify that the images and video has not been edited or digitally manipulated.The closures were mostly due to the weak economy including an advertising slump.In 2014, Reed Business Information sold Buyer Zone, an online marketplace; emedia, an American provider of research for IT buyers and vendors; and a majority stake in Reed Construction Data, a provider of construction data.RELX NV, the Amsterdam Stock Exchange listed shareholding vehicle, holds 47.1% of the shares in RELX Group.The shares are traded on the London Stock Exchange, Amsterdam Stock Exchange and New York Stock Exchange using the following ticker symbols: London: REL, Amsterdam: REN, New York: RELX and RENX.
In September 2013, Lexis Nexis Risk Solutions, a RELX Group company, acquired Mapflow, a Dublin-based group that helps insurance companies assess geographic risk, in particular in relation to flooding.
After the war it launched the weekly Elsevier magazine, which turned out to be very profitable. Multiple mergers in the 1970s led to name changes, settling at "Elsevier Scientific Publishers" in 1979.
In 1991, two years before the merger with Reed, Elsevier acquired Pergamon Press in the UK.
The company is one of the constituents of the FTSE 100 Index, Financial Times Global 500 and Euronext 100 Index.
The company operates in 40 countries and serves customers in over 180 nations.