Reasons for finding the living are varied. A reunion with close cousins can be fun with sharng of photos or memorabilia. More distant cousins may have different information from their ancestors, or they may have gotten the family Bible or a labeled photograph. Professionals find the living for estates, military repatriation, adoption reunions, etc. The standards apply going
forward just as for going back in time. The resources can be a bit different. Tools of this research include search engines, people searchers, obituaries, recent census, voter records, recent land sales, tax records, court records, phone directories, newspaper articles and announcements, vital records, yearbooks, Facebook and other social media, etc.