This data seems highly valuable to hedge funds: if a fund could pin the devices of well-known bankers and executives of potential acquisition targets, it could see deals coming before announcements. Is this legal?
Hell, track their social relations, and the same for all of their employees, estimate their personal relations with social models, quantify and predict their mood on an organizational level. Then go long or short on the company. Rinse and repeat for everything on this planet.
