"Many legacy systems are heavily customized for the needs of the organization, often built externally by a supplier and often without rigorous usability testing. It's common for enterprises to spend 40-60% of their time managing, maintaining, and fine-tuning legacy systems."
"Running in a broken, decade-old ecosystem, legacy still works, yet nobody knows exactly how and why it still does. People who have set it up originally probably have left the company years ago, leaving a lot of unknowns and poorly documented work behind."
"Legacy systems must neatly co-exist within modern digital products built around them. In many ways, the end result is a complex interplay of old and new, requiring careful navigation to improve user experience."
Legacy systems are often critical yet outdated, requiring significant time for management and maintenance. They are heavily customized and lack rigorous usability testing. Despite their challenges, these systems must coexist with modern products. The complexity arises from fragmented design choices and outdated tools. Organizations must navigate these issues carefully to enhance user experience while respecting the existing infrastructure and user concerns. A tailored approach is necessary to address the unique challenges posed by legacy systems.
Read at Smashing Magazine
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