How to solve trackback spam ?

About: Micro Persuasion: Yahoo News Tests Trackbacks, Enhancements

source: Steve Rubel above
Yahoo News is gearing up to implement trackbacks. When I blogged this last story using ecto, it automatically discovered this trackback URL. More details can be found on the Yahoo News Sandbox blog. In addition, they are also rolling out new personalization and keyword highlighting features. You can demo all the new goodies on this Yahoo News! Sandbox site.
... and following the pointers from here, at yahoo 360 we read:
source:yahoo 360 ?
The second is a fully-functional "trackback" feature written by Glen Campbell (no, not that one). Trackback is an automated way for sites to know when blogs are commenting about them and link back out to the blog so the links go both ways. Underneath the text of every story you'll find the trackback URL and recently received trackbacks. RDF is available in the page for automatic discovery of these trackback URLs as well.
Look for: Trackback URL at the bottom of the news story pages.  You can also look for the RDF tags in the HTML source

The old "trackback" required one blog notify another blog with some kind of pint url when refering post was.  That system was found to be very vunerable to spam and many blogosphere technocrats have shunned it, [google trackback is dead].  Of course we know that a ping is not really necessary, we can simply watch the referer field that is present in every browser's access to a page to (theoretically) know that there is  a hyperlink to the  post, see Chat Who is Here for a live demonstration, if you doubt me.  The problem with this is that it is even more vunerable to referer spam than trackback is vunerable to trackback spam.

How is yahoo dealing with this ?

How will the real solution emerge ?

Here is a screen shot of Yahoo's trackback entries:



Tags

  1. spam
  2. trackback
  3. trackback spam
  4. rubel
  5. yahoo
  6. problem~solution
  7. ~study

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