By Justin Kay ( July 20, 2018, 12:52 PM EDT) -- In the first half of 2018, technology that determines where you are and who you are garnered significant attention. Numerous organizations reported Amazon.com Inc.'s sale of facial recognition technology to law enforcement (generating backlash from privacy groups as well as Amazon employees). The U.S. Supreme Court ruled that the government needs a warrant to access historical cell-site location information from cellular providers. California identified and arrested the Golden State Killer using DNA information of a relative pulled from an ancestry website. Facebook came under fire for the way in which Cambridge Analytica accessed the data of tens of millions in order to create a "psychographic profile" that "could reveal more about a person than their parents or romantic partners knew." And seemingly every day, a business or government agency announced it was studying the use of, using, or planning to use biometric authentication. Garnering less attention, but of no less importance, are the legislative efforts underway in the federal government and in many states to regulate these emerging technologies and limit the ways in which this information can be collected....