For instance, Turner Broadcasting is still developing its sales strategy for the virtual ads, including how they will be priced and whether to sell them during the "upfront" market when traditional commercial time is sold to advertisers before the fall season begins.
If advertisers don't buy as much ad time during the upfront season, the networks may be able to sell the remaining inventory at higher prices later in the year should economic and geopolitical circumstances improve.
Finally, it's upfront time again for the networks.
In the United States, the networks have been reporting strong increases in ad sales and prices during the "upfront" sales period, when they reserve advertising time for the coming television season.
The broadcasters sell about 75percentt of a prime-time season's commercials during the upfront market.
Typically, the broadcast networks sell 70percentto80percentcent of the commercial time available in a season during the upfront market.
Last May, during the upfront week that preceded the 2011-12 season, there were five such presentations.
Bounce TV plans to hold meetings with agencies individually during the upfront season.
RAH, RAH, RATINGS Cheerleading, literally and figuratively, was a motif during the upfront presentations.
Mr. Obama also turned up on a tape shown to advertisers on Thursday during the upfront presentation of the CW network.
