Blog Spam?

Surprised by sudden activity in my blog, I checked out the comments, and this is what I got:

the blog times said...

Cool blog...good job!
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blog. It contains UNUSUAL stuff about Teeth Whitening.
Come and check it out if you dare ;-)

10:31 AM
Good Living said...

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10:33 AM
Malabo said...

Where are Weblogs Inc and Gawker Media's Katrina Appeal ads?
Duncan Riley> I have a great deal of respect for both Nick Denton and Jason Calacanis, and indeed both have provided interesting and thoughtful coverage on the aftermath of Hurricane Katrina, but here's a ...
You have a great blog here!

I have a best snow blower site about best snow blower and stuff.

Check it out if you get a chance...

10:35 AM
casino said...

Don't Let Your Advertising Agency Write Your Blog
I have spent a fair bit of time in recent months talking with companies about how to embrace blogging as part of their marketing strategy.
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Totally unrelated ppl, and I dunno how they came across my blog and what and why are they chatting on my blog? Is this a new form of blog spam?