All submarines are limited solely by the amount of food onboard. Toward the end of a deployment, the meals get interesting (chili mac with a side of canned beets, for example). The longest that I've been submerged was about four months, followed by two quick port visits, followed by two months at sea.
A smart TV, sometimes referred to as connected TV or hybrid TV, is a television set or set-top box with integrated Internet and interactive Web 2.0 features. Smart TV is a technological convergence between computers and flatscreen television sets and set-top boxes.
Smart TVs: If you've bought a television from LG, Panasonic, Samsung, Vizio or any number of other manufacturers in the past few years, it might be an Internet-enabled Smart TV offering access to services like Netflix, Amazon Instant Video, and Hulu Plus at the very least.