Modern animation in the United States films "" and "Jurassic Park" included Oscar-winning special effects sequences which made extensive use of CGI. After decades of existing as related-but-separate industries, the barrier between "animation" and "special effects" was shattered by the popularization of computerized special effects—to the point where computer enhancement of Hollywood feature films became second-nature and often went unnoticed. The Academy Award-winning "Forrest Gump" (1994) depended heavily on computerized special effects to create the illusion of Tom Hanks shaking hands with Presidents John F. Kennedy and Lyndon B. Johnson, and to make Gary Sinise convincingly appear to be a double amputee, winning a special-effects Oscar.
Forrest Gump napalm canisters were also added by CGI. The CGI removal of actor Gary Sinise's legs, after his character had them amputated, was achieved by wrapping his legs with a blue fabric, which later facilitated the work of the "roto-paint" team to paint out his legs from every single frame. At one point, while hoisting himself into his wheelchair, his legs are used for support. The scene where Forrest spots Jenny at a peace rally at the Lincoln Memorial and Reflecting Pool in Washington, D.C., required visual effects to create the large crowd of people. Over two days of filming, approximately