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"Burger King has introduced a new Facebook application that is getting lots of attention \u2013 \u201CWhopper Sacrifice.\u201D  The concept is essentially this: delete 10 of your Facebook friends and get a free Whopper.  Each time you remove someone, that action is broadcast to your news feed \u2013 apparently, not a big deal to users so far, as more than 50,000 friends have already been sacrificed.\nWhile Burger King\u2019s effort is mostly about quick hit marketing and getting some press (result: success!), they might actually be onto something.  As our networks on social networking sites grow and grow with people we barely know, the value of them deteriorates \u2013 to the point that removing 10 \u201Cfriends\u201D for a free sandwich actually seems like a reasonable proposition.\nFacebook is evolving its product to deal with this issue \u2013 the ability to group your friends and then filter the News Feed to see updates from only certain people helps a lot.  But it\u2019s not nearly robust enough \u2013 for instance, you still can\u2019t filter status updates by group.  Meanwhile, Twitter offers no such filtering, instead yielding the demand for more custom microblogging to a variety of startups.  \nI like following a lot of people on social sites \u2013 it gives me a good idea of what people are talking about and creates an opportunity to engage in more conversations.  But frankly, when you\u2019re following hundreds if not thousands, a lot of those people become more or less interchangeable, especially when there are no good options to filter the noise.\nI\u2019d trade 10 Facebook friends for a Whopper.  What about you?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2009/01/09/whopper-sacrifice/>