Hi! I'm Dane Carlson, and welcome to the Business Opportunities Weblog. I've been publishing this website, by myself, and sometimes with the help of others for over twelve years now. You'll notice two things about this site right away:

  • We have tons of content. In fact, since November 2011, I've published more than 26,000 posts on thousands of different business ideas and opportunities.
  • We don't sell much advertising. In late 2013, I realized that by selling advertising, what I was really selling was my readers. In 2014, I've already radically cut down on the number of ads and will hopefully keep cutting.

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A Calculator That Requires You to Estimate Before It Gives You The Answer

From the moment pupils start using calculators they stop using their heads – for all quantitative work.

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This Math Class Has No Instructors…

There are no professors in Virginia Tech’s largest classroom, only a sea of computers and red plastic cups.


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Math Really Is Worthless for Most

Remember sitting through high school math class while the teacher droned on about polynomial equations and thinking there wasn’t a chance you’d ever use any of it in life?


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DragonBox: The Algebra Game That Beat Angry Birds

There are five “worlds,” each with twenty levels, and as you progress through the levels the “dragons” hatch and grow into their full-sized versions.


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