Thursday, August 28, 2025

First Rule of Demos: It will Crash

The first rule of doing any live demo is that it will crash regardless of how stable the product is. That is why you will often see videos of computer demos instead of an actual live demo. Today the first rule of demos reared its ugly head at the most inopportune time.

I had a meeting with my boss and he brought up the topic of needing to delete some data from our data warehouse. Not deleting the data puts us in jeopardy of being sued and so I wanted to show him all the different areas that contained the data. I made sure I had logged into our company's virtual private network (VPN) so I could get into the data warehouse. Then I tried to bring up a virtual desktop which is required to log into the database system. It immediately crashed. I tried several more times only to have the same thing happen. Ultimately I had to describe the many different places engineers had squirreled away the information.

Fortunately I didn't need to actually do a demo as I accurately described the many copies of the data. My boss explained that because the copies of data are anonymized, meaning there is no way to associate with with specific people, they do not need to be deleted, just the non-anonymized data. That came as a relief. Ultimately nobody is using the data and so there is no need to keep it around but deleting it is not an emergency.

I finished my video call with my boss and decided to troubleshoot what went wrong. As you would expect, everything worked fine. That only shows the validity of the first rule of demos. 

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