One facet of Hacker conferences that tends to differentiate many "HackerCons" from general computer security conferences, is the evolution of the conference badge. While many conferences use a fairly standard paper/plastic badge to identify attendees by name, many hacker con's have evolved to use more non-traditional badges, such as electronic PCB's with LED's, LCD screens, and can include wifi and advanced, often hidden functionality, to include games, that do not identify the individual, sometimes promoting a group identity or regional/local group affiliation. This has spurred the creation of so-called "badgelife" where different individuals and organizations (such as local hacker groups) may design, create, and sell or otherwise distribute a separate badge attendees wear in addition to their conference badge.