We all tweet in a green submarine…
James Cameron is filming what goes on at the ocean's deepest point, seven miles below the surface, for both a National Geographic special and a film to show on 3D screens in theaters. Averting death by sea monster, he successfully completed his solo voyage to the black depths and back in his special submarine named Mermaid Sapphire, surfacing at about 10 p.m. ET yesterday. With all those hours down there, what was he to do?
Previously, he offered:
