Buffers are typically used when there is a difference between the rate at which data is received and the rate at which it can be processed, or in the case that these rates are variable, for example in a printer spooler or in online video streaming.
Luke Spencer leaving 'General Hospital': Laura returning as Anthony Geary exits. FILE - In this April 26, 2015, file photo, Anthony Geary accepts the award for outstanding lead actor in a drama series for General Hospital, at the 42nd annual Daytime Emmy Awards in Burbank, Calif. After 37 years, Geary finishes his role as Luke Spencer on ABC's General Hospital on Monday, July 27, 2015.
Spencer at the premiere of This Is Where I Leave You in September 2014. Spencer played the role of a blogging enthusiast in Twix advertisements, and portrayed Miss Farrell, a love interest of Don Draper's, on AMC's Mad Men in 2009. In early 2011, she landed the lead role on ABC drama pilot Grace by Krista Vernoff.