Once upon a time I wrote a desktop application named ContentSpy. It let you monitor web pages for changes, and notified you as updates became available. When I recently heard of the new Google App Engine being launched, I figured I would take a stab at porting ContentSpy to that platform. I am happy to report that I stopped my endeavors, after stumbling upon ChangeDetection , which offers exactly what I envisioned, for free! Another good thing coming out of this discovery is that it won't distract my focus from working on FeedJournal ... According to Alexa , ChangeDetection has been online since 02-Nov-1999. On the other hand, their Alexa history is only available since last summer. Wayback Machine doesn't have any historical records either. Technorati 's oldest indexed post referencing ChangeDetection is from December 2007, so I assume it's a new service. Besides, I can't imagine it having escaped me for that long! Anyway, ChangeDetection is wonderful in many way...
Thoughts on whatever I am obsessed with at the time.