PPinger
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Pings your blog to Pingomatic using your visitors's IP's at random intervals.
PPinger helps you use your visitors to ping Pingomatic.com that your blog has been updated.
It randomizes between pinging a randomly selected amount of these RSS aggregators:
Weblogs.com Blo.gs Technorati FeedBurner Syndic8 NewsGator MyYahoo! PubSub.com Blogdigger BlogStreet Moreover Weblogalot Icerocket NewsIsFree TopicExchange GoogleBlogSearch Spinn3r Bloglines PostRank SkyGrid Collecta Superfeedr
It is a good help for getting new blogs indexed.