Once you click Add Active Channel, Internet Explorer downloads the CDF file, realizes you aren't currently subscribed, and asks if you'd like to add the channel. To see our channel preview page, visit the URL below once there, you may subscribe to our channel by clicking the Add Active Channel button. An easy way to do that is to click a link on the channel's preview page. All you do is feed Internet Explorer a URL to a CDF file. Subscribing & Customizing - As a user, subscribing to a channel is simple. Instead, like Intermind's overly ambitious Communicator product (see "Intermind Communicator - Let's Communicate" in TidBITS-349), channels in Internet Explorer are actually an instance of scheduled pull.
Since the release of Microsoft Internet Explorer 4.0 in January of 1998, we've been updating a CDF (Channel Definition Format) file that's the guts of what Microsoft calls an "active channel." Although CDF has been submitted to the World Wide Web Consortium (W3C) as a standard and is available there as a note, it's supported only by Internet Explorer 4.0.Īlthough this technology was lumped in with "push" when it debuted, there's no push involved. It was all in fun, but little did we know that nine months later we'd have a real TidBITS Channel. More than a year ago in TidBITS-373, I wrote an April Fools article called "The TidBITS Channel" about our forthcoming TidBITS Channel, which would take advantage of so-called "shove" technology.
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