Conclusion
The Modu Express Jacket is a fascinating piece of technology history, serving as a reminder of a formative period in mobile phone development. It successfully achieved a compact, modular concept tailored to minimalistic usage, appealing to users with very basic communication needs. However, its constraints in connectivity, multimedia, and overall functionality reflect its niche appeal and the rapid technological evolution that followed its release. While not suitable for the modern user, it remains a curiosity for those interested in the innovative design philosophies of the past.