Ah, good point. HD TVs are often (usually?) 1366x768. I guess they just picked that to provide room for chrome as you suggest? Seems an odd reason to go with

Ah, good point. HD TVs are often (usually?) 1366x768. I guess they just picked that to provide room for chrome as you suggest? Seems an odd reason to go with 1366 and not 1360, and for video you'd think they'd promote using fullscreen anyway...