At 08:40 AM 9/27/02 -0400, you wrote:
>In Britain? I think that what you are referring to Paul is something called
>the Vertical Blanking Interval, which is a small space in the transmission
>of terrestrial broadcast where many companies have experimented with
>delivery of text and interactive elements through the years. I'm not
>exactly sure (it's been a long time) how the uplinks work - perhaps via
>modem or a transmitter - but there have been some forms of interactivity
>using the VBI.
>Either that, or you're referring to teletext, but that's not truly
>interactive, just a calling up of pages... Perhaps it has some rudimentary
>activity, but most of teletext is calling up pages...
This is where they usually draw the line between "enhanced tv" -- extra
info, but no two-interactivity and "interactive tv" -- extra info and can
interactive with/communicate back.
A U D I E N C E T R A X
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Received on Sun Sep 29 06:45:12 2002