Dafacto

The personal website of Matt Henderson.

The Four-Percent Rule

In Money for Something, we talk about viewing wealth in terms of the income it can generate. This handy rule can also be used in reverse!

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The Wealth of Statesmen

I ran across an info-graphic visually demonstrating how much less Mitt Romney pays in taxes, as a percentage of his income. It's very deceptive. Can you figure out why?

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Financial intelligence—not off to a good start

Out of respect for the reader’s time, and with the objective of efficient learning, book authors should invest the effort to be concise.

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Moving abroad—proposal for a new Twitter feature

One of the most enriching things I've done in my life has been living abroad, experiencing cultures and societies completely different from those in which I was raised. I have a proposal for a Twitter feature that could potentially provide similar benefits.

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Systematic overcharging at Boingo?

On my last trip to the US, I signed up for the Boingo roaming wifi service. When I later cancelled my account, they continued to charge me for months. Trying to resolve this, I uncovered what seems to be a systematic scam. Read the whole story.

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It's more pleasant to pull teeth than to buy something online with a credit card in Europe

Buying anything online from a European provider is likely to be a hair-pulling experience.

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People just want to want to know what to do

As professionals, we often believe the job-to-be-done is providing our customers with the tools and information to make decisions. In reality, we need to take it one step further.

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How often should you check your investment portfolio balance?

Behavioral psychology tells us to check our investments very infrequently.

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What do four questions look like?—Bad user experience with Booking.com

Back in 2010, I commented on Booking’s deceitful post-trip emails, and it looks like they’re still at it.

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Strangest failed payment notification ever

Pingdom, the website monitoring service we use at Makalu, just sent an email that seems more like puzzle than a notification.

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