Web/apps have a lot of pseudonymous data points but rarely have a link to your real-life identity. Real-life things like hotels have the latter but rarely the f

Web/apps have a lot of pseudonymous data points but rarely have a link to your real-life identity. Real-life things like hotels have the latter but rarely the former. Installing an app allows data brokers to bridge the two identities. > And how is installing the Hilton app going to allow another app to find out information about you? Both apps rat out whatever they have on you to a data broker which then does the matching.