“The red carpet has yet to be unrolled for the Academy Awards next month, but studio executives are already thinking about next year. Taking cues from the Oscar nominations announced on Tuesday, the studios say they expect big changes in how they will market movies in the years to come. Most notably, the studios will be looking to tie their Oscar campaigns to the release of a DVD,” a tactic which appears to have helped last summer’s blockbuster, Seabiscuit, garner seven nominations for this year’s ceremony.