.NET Rocks! Improving Legacy Applications with Billy Hollis
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Aug 7, 2025 Billy Hollis, a Nashville-based software designer and developer specializing in user experience and healthcare systems, shares his insights on updating legacy applications. He discusses the importance of assessing whether a legacy app is still meeting modern workflows. Hollis highlights the challenges of balancing user-friendly design with the complexities of older systems and offers strategies for modernizing applications while respecting their critical roles. His extensive experience brings a unique perspective on the delicate art of enhancing usability in legacy software.
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Defining Legacy Applications
- Billy Hollis defines legacy apps as systems built with older tech and often 10+ years old.
- He emphasizes they are working and critical to the business.
Avoid Rushed Replacements
- Avoid replacing legacy systems unless benefits outweigh huge risks.
- Billy Hollis advises businesses to postpone replacement whenever possible.
Agile Encourages Feature Tunnels
- Billy Hollis observes agile often pushes teams to implement granular features over big-picture workflows.
- That focus fragments UX and creates incremental UI bloat.