Do We Need a Delete Button in PLM?

May 14, 2013

Delete is a special function. In the system dealing with the live data, the meaning of delete is interesting. My first lesson about <delete> function in PDM was 25 years ago. In one of very first data management systems I implemented we used a special flag to mark deleted parts. Later on, I was discussing delete functionality with engineering managers of one of the firms. Think about parts used in production. How you can delete them? They can be not effective for usage, out of stock, discontinued, etc. However, you cannot literally delete them. Back 20 years ago the technology was different. We marked parts and revisions as "obsolete", but we didn’t keep them forever.

Yesterday, in the airport, the following CNET article caught my attention – Google’s Schmidt: The Internet needs a delete button. Schmidt is discussing the nature of internet to absorb data and information that cannot be deleted. Here is an interesting passage:

Actions someone takes when young can haunt the person forever, Schmidt said, because the information will always be on the Internet. He used the example of a young person who committed a crime that could be expunged from his record when he’s an adult. But information about that crime could remain online, preventing the person from finding a job. "In America, there’s a sense of fairness that’s culturally true for all of us," Schmidt said. "The lack of a delete button on the Internet is a significant issue. There is a time when erasure is a right thing."

Well, privacy has a different angle, of course. People are not Part Numbers. However, think about technology behind the internet these days. Think about Gmail. You can be doing email forever without deleting them. I’ve heard some rumors first version of Gmail had no delete functionality. Storage is cheap these days. You literally can keep all information created by design, engineering, manufacturing all the time without deleting this information. Isn’t it fascinating. It can change the way people design and manufacturing things.

What is my conclusion? Delete is a very specially functionality when it comes to systems dealing with a lifecycle. Internet is very much change our horizons in understanding what potentially can include a "total lifeycle" management. It also change a perspective of how to manage lifecycle for a particular eco-system such as PLM. The increasing lifespan covered by PLM systems can improve decision making and provide additional insight in the areas of product development, quality management and others. Just my thoughts…

Best, Oleg


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