Focus Causes Change Blindness

Jan 25, 2008

Focus or stress causes us to overlook things we would normally notice (inattentional blindness).  When people focus too much on one thing, people don't notice other changes.  Take the video example below that illustrates this example.  There are five changes that occur during this video. More...

Communication Illusions

Jan 23, 2008

Every sense we use to communicate with can be tricked, or confused into perceiving things that don't exist and not perceiving things that do exist.  Our senses are good at what they do, but have limitations and adaptations that work for or against us in a certain way.  If we know the limitations, we can better compensate using other techniques. More...

Software Is Not Done

Jan 21, 2008
photo: Willi Heidelbach stock xchng

It's not that software is never finished.  It's just that done is not a good description to describe the status of software.

What's the status of the "Buy 12 get one free promotion?"

It's done!

What's done for one particular team isn't done for another.  Done for the business analyst isn't done for the the person doing deployment.  It leads to a lot of confusion among teams, particularly when teams are in multiple physical locations. More...