Information Technology Reference
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you do that, take a close look at the results pages for your searches. Each
item includes the date and time it was added, and the results are listed new-
est irst, with ten to a page.
So it's easy to look at the tenth item of the page and see how active the feed
is. Was the tenth item added a week ago? Great—this is an active but slow
feed. Was the tenth item added a year ago? You can still add the RSS feed,
but you might not see updates very oten, which is okay. Was the tenth item
added half-an-hour ago? Not so good—you can still monitor this search
term, but you'll have to keep up with a very busy RSS feed.
he second thing you have to worry about is resource repeats. When I'm
monitoring the Google tag, I might see the same resource two or three
times in a week, especially if it gets mentioned by a popular blog or direc-
tory. I don't worry about this—the repeats are few enough that they don't
hinder the low of information, and they're usually described well enough
that I don't waste my time visiting a site I've already visited.
With del.icio.us being so popular, it's easy to realize that there would be lots
and lots of other similar bookmarking services. One of them, Spurl, has
taken its bookmark service and turned its data into a search engine called
Znif. I like it as a complement to Del.
del .icio.u s tool Fest
del.icio.us has become a bookmark tool of choice for several thousand people and has its own 
api. The application programming interface is a way for programmers to use the features and 
data of del in their own programs, and has spawned a huge number of tools, some of which you 
might ind useful. here are some fun ones: 
• 
Bookmarklets  (quickonlinetips.com/archives/2005/02/absolutely-delicious-complete-
tools-collection).  several  tools  that  let  you  perform  speciic  del  search  tasks,  such  as 
searching  by  user  name  instead  of  keyword  tags  (if  you  wanted  to  ind  everything  i've 
bookmarked, for example), searching your own bookmarks, and more.
• 
del.icio.us Filtered (deliciousiltered.stuhlmueller.info/). get del feeds without entries. 
• 
Trendalicious (glozer.net/trendalicious.html). get a sense of what the popular bookmarks 
are in del at the moment. 
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