Tip of the Iceberg

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If you use Notes to post to your blog and want to ping PlanetLotus as soon as you post a new blog entry, navigate to your profile on the site (i.e., click your name in the list of blogs in the lower left), then view the page source and search for "dofeedupdate". You'll find an onclick event of "dofeedupdate('##')", where "##" is the id of your feed (87, in my case). Create a toolbar button with the following code:

@URLOpen("http://planetlotus.org/rss/dofeedupdate.php?id=##")

Replace "##" with the id of your blog feed, and you're set. Naturally, you can also create a browser bookmark to the same URL, but for those of us who blog using Notes, this provides an easy ping without needing to launch (or switch to) a separate browser.