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Something tells me it's not the cat who consumes the diet drinks that came in these boxes. -via Cynical-C

Kids helping each other out on Halloween can put a chalk mark at the bottom of the driveway to let later trick-or-treaters know what to expect. The pictured symbols mean "Dentist", "Werther's Originals", and "Reeces Pieces"! I'm afraid I'll go from "miserly portions" to "out of candy, now giving out sauce packets from Taco Bell." Link -via a comment at YesButNoButYes

The American Library Association has compiled stories of haunted libraries across the country -plus an international post. Who knew the dead love to go back to their favorite library? http://www.britannica.com/blogs/2008/10/ghosts-in-the-library-the-haunted-library-series-is-back/ -via the Presurfer

How much candy can you get in a pillowcase? The short answer is: almost 48 pounds. This post also explains the measurement, and lays out a strategy for actually getting that much candy during trick-or-treat. According to the conclusions, everyone who reads this article will be showing up at my house Friday evening. Link -Thanks, ebez!

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Pat Paulson ran a spoof campaign every presidential election year for decades. Dave Barry also threw his hit into the ring a few times. The new celebrity taking up the spoof campaign mantle is Paris Hilton. That's hot! -Thanks, CheeseDuck!

This Old House is having a Jack-o-Lantern contest, and you can vote for your favorite of the submitted entries until noon Thursday. I was quite impressed by this multi-pumpkin display. I'm sentimental like that. https://youroldhouse.thisoldhouse.com/pumpkincarving/index.jsp -Thanks, Betsy Andrews!

Companies have integrated ads into video games for quite some time now, but this is the first time election campaign ads have been used in virtual reality games. Is this a good idea? Will it be effective? The ABC World News Webcast takes a look. Link to segment. Link to entire webcast.

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I hope my cats never see this video. If they learn how to open bottles, I'll be in a world of hurt. -via Arbroath

Dark Roasted Blend has beautiful pictures of caves around the world. See caves made of limestone, ice, and crystals, plus caves used for living and working. Pictured is an underground pool in a Brazilian cave. Link

What's neat about these vanity license plates inspired by the Harry Potter books is not their cleverness, because you would expect that, but the sheer number of them! http://www.mugglenet.com/plates.shtml -via Geek Like Me

When I saw today's Lunchtime Quiz at mental_floss, I had to check the calendar to see if today was Friday the 13th! No, this quiz is about the series of horror movies that might be on your playlist for Halloween. I scored 38%, which is pretty good considering I haven't seen any of the movies. http://www.mentalfloss.com/blogs/archives/19696

The Rubitone is a concept Rubik's cube where the object is not to solve the puzzle, but to select colors that might look good together. That couldn't be any easier than the classic puzzle. Link -Thanks, kid_1carus!

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TMCO manufactures metal products in Lincoln, Nebraska. At a recent open house, they used one of their factory robots to pour beer for visitors. A you can see, the robot encourages tipping! -Thanks, beerorkid (steve Ramos)!

This is no Jack-O-Lantern, it's a pumpkin grown in a mold shaped like a human face! Creepy, huh? The clipping is from 1938. Link -Thanks, Dana!

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You know people who turn into certain characters when they've had too much to drink. This funny ad is part of a public service campaign from Heineken, called Know the Signs. Go to the site and play a game of spotting the people who've had too many. Then learn how to handle them and even send a warning to a person who fits the profile. Link -Thanks, Paul van Veenendaal!