CBS Television Network is conducting tests of stock ticker and other financial data over TV signal's unused vertical blanking interval (VBI) capacity, says network vice president Albert Crane.

Crane declines to name partner in test, which he identifies only as "major financial services information organization." CBS is also "in dialogue with a number of people in the same category about data transmission," he says, all with eye on "more efficient ways to reach existing customers" and ways t

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