The existing solution did not only lack ease of use. When we take a closer look to the problem, there are other flaws: it sends a (somewhat too obvious) message of keeping some people out and even more so keeping access available to the 'disabled', it doesn't allow a fluent passage of people.
- Wheelchair users do not like to be stigmatized (yet again) by a gate that clearly is designed to allow them access, while keeping others out
- A system which allows only one person at a time go through, will fail with large crowds and will cause congestion
A new set of objectives can be deduced from the explanation above:
- The system should be easy to use: no or very little force to be applied
- No clear distinction between those who can and those who can't get access
- The system should allow a smooth passage of numerous visitors
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