A while back, a colleague - Tim Smith - pointed me at Thomas Nagel's collection of philosophical essays in the book "Mortal Questions".

I was captivated by Nagel's seminal essay "What is it like to be a bat?"

Nagel’s essay discusses perception and poses a strong argument that there is no such thing as objectivity. I.e. we may distil a bat’s system of vision into the concept of Sonar but we can’t possibly know how the bat experiences it because we have only our perception of visible-light, our separate perception of audible sounds and the metaphor of a submarine's sonar to compare it to.

This morning I arrived in Brazil. For the next 2 weeks I’ll be doing some consulting, some training, and speaking at 3 conferences spanning Brazil and Uruguay.

The first is Performance Summit 2008 hosted by Dell Brazil. The local organization team, including my friends and top-notch performance testers Carlos Panato and Walter Munstock, have already gone well out of their way to make me feel at home. Thanks guys!

The value of programmer TDD is well established. It’s natural to extrapolate that practice to business-facing tests, hoping to obtain similar value. We’ve been banging away at that for years, and the results disappoint me. Perhaps it would be better to invest heavily in unprecedented amounts of built-in support for manual exploratory testing.In 1998, I [...]