sentences:  Since, according to Snyder, a 30-second spot on the show brought in only US$3,000, the network's primary concern initially was cutting production and distribution costs.As satellite transmission was only used for rare special events at the time (the seminal "Aloha from Hawaii" had just unveiled the technology earlier in 1973), the show was sent from coast to coast over the terrestrial microwave facilities (also used for long-distance telephone calls as well as broadcast video & audio at the time) of AT&T Long Lines and it reportedly took NBC the entire first year of "Tomorrow" broadcasting before they succeeded in getting lower usage tariffs from AT&T.Unique and often revealing one-on-one exchanges were the program's staple.