Original sentence: However, with the success of reality shows, newsmagazines have largely been supplanted.In the United States, newsmagazines were very popular in the 1990's, since they were a cheap and easy way to better utilize the investment in network news departments.Reality shows cost slightly less to produce and attain a younger and more loyal audience than the newsmagazines they replaced.Thus, the audience once attracted to newsmagazine shows have largely drifted to cable television, where focused channels on common newsmagazine topics as nature, science, celebrities, and politics all have their own channels
Edited sentence: However, with the success of Survivor and its ilk, newsmagazines have largely been replaced leading to their replacement by reality shows, which cost slightly less to produce and attain a younger and more upscale audience than the newsmagazines they replaced.In the United States, newsmagazines were once very popular in the 1990's, since they were a cheap and easy way to better utilize the investment in network news departments.The audience attracted to newsmagazine shows have largely drifted to cable television, where focused channels on common newsmagazine topics as nature, science, celebrities, and politics all have their own channels