music formats for the high fidelity sound of FM radio, the talk radio format began to catch on in more large cities. Former music stations such as KLIF (Dallas, Texas), WLW (Cincinnati, Ohio), WHAS (Louisville, Kentucky), WHAM (Rochester, New York), WLS (Chicago, Illinois), KFI (Los Angeles, California), WRKO (Boston, Massachusetts), WKBW (Buffalo, New York), and WABC (New York, New York) made the switch to all-talk as their ratings slumped due to listener migration to the FM band. Since the turn of the 21st century, with many music listeners now migrating to digital platforms such as Pandora Radio, Sirius XM Radio, and the numerous variations of the iPod, talk radio has been expanding on the FM side of the dial as well. Shock Hot talk, also called FM talk or shock talk, is a talk radio format geared predominantly to a male demographic between the ages of 18–49. It generally consists of pop culture subjects on FM radio rather than the political talk found on AM radio. Hosts of hot talk shows are usually known as shock jocks. Clear Channel Communications (which became iHeartMedia in 2015) has a select few hot talk stations under the moniker Real Radio, while CBS Radio once had a larger chain of hot talkers known as Free FM, though the brand was abandoned after a post-Howard Stern attempt to network the format failed within a year. It is usually found on FM radio active rock, classic rock, and country stations in morning drive, as the actual hot talk formatted stations have only achieved mediocre success as a whole compared to AM or conservative talk radio, or even FM music radio. It is also effectively a format that is unviable during an average workday in North America, due to the format's tendency to discuss topics wholly inappropriate for a workplace setting, and outside of discussions of attractiveness, entirely repels women as regular listeners. In March 2018, CBS Radio's corporate successor Entercom (now Audacy, Inc.) attempted a hot talk format in San Diego with KEGY 97.3 The Machine. It featured a weekday lineup devoted to hot talk programs, blocks of classic rock interspersed with comedy bits during off-peak hours, and coverage of San Diego Padres baseball. However, the station attracted controversy later that month, when an advertisement for the station's forthcoming morning show Kevin Klein Live (which invited listeners to "jump ... to a new morning show", accompanied