TIME examines an array of stages at conventions from 1868 to present, where evolutions in technology, fashion and architecture have all played a role in how a candidate is portrayed.
More photo galleries from the DNC and RNC:
President Barack Obama delivers his acceptance to run for a second term as president at the Time Warner Cable Arena in Charlotte, N.C., on Sept. 6, 2012.
TIME examines an array of stages at conventions from 1868 to present, where evolutions in technology, fashion and architecture have all played a role in how a candidate is portrayed.