If you've posted five times in a year, and the last one sounds like you've decided your blog is obsolete, then it's not an instance of somebody abandoning a longrunning thing. It looks like somebody gave the service a few tries and gave up.
People often "give up" on a site a few times before they become a regular user. I do this all the time; For example, I signed up for HN "675 days ago" but I think I might have made 1 or 2 comments in the first 200 days.
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November 18, 2009 isn't exactly what I'd call inactive. Sure it wasn't super recent, but still, it's less than 3 months ago.
If you've posted five times in a year, and the last one sounds like you've decided your blog is obsolete, then it's not an instance of somebody abandoning a longrunning thing. It looks like somebody gave the service a few tries and gave up.
People often "give up" on a site a few times before they become a regular user. I do this all the time; For example, I signed up for HN "675 days ago" but I think I might have made 1 or 2 comments in the first 200 days.
Still, sending them an email is good customer service.