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Some Thoughts on Surge Pricing

I am sympathetic to Uber’s basic argument that surge pricing is the market at work as (a) nobody is being forced to take an Uber and (b) raising prices puts more Ubers out on the street. On Saturday evening, close [...]  Read more

Homeschool Wednesday: Rates of Change

In case you come here only on Wednesdays when I write about homeschooling, you might also want to check out Tech Tuesdays (a series that goes back several years). In yesterday’s Tech Tuesday I wrote about computational complexity and gave [...]  Read more

More Bitcoin as Protocol

A couple of weeks ago I wrote a post on bitcoin as protocol that got a couple of hundred comments from which I learned a lot. This is an important topic and Chris Dixon has done a lot of good [...]  Read more

Technology for Train Safety

There have been a spate of deadly train derailments including two in the summer (one in Spain and one in Canada) most recently the Metro North one. Human error played a significant role in all of these. For instance, in [...]  Read more