What Are the Worst Examples of Poor Ui Design in Common Use?

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What are the worst examples of poor UI design in common use?

By far and I mean BY FAR Fill In Form Fill In Form Pro/Reader. Seriously, has anyone ever tried filling out a PDF form? Much less composing one. I am designer in the field and I can't understand for the life of me how t've gotten away with such a confusing interface. It's a usability nightmare. Fill In Form turns PDFs into WTFs

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This doesn't add another tool to any software. It's a usability nightmare! You've put a lot of time and effort into this design, and if you're going to rip it apart, so your other software can take your work, at least let someone else see how it was born. If it was done by someone with a little more experience, I don't believe they would call your software a usability nightmare. The best way to learn software is experience. And the worst way to learn software is a bunch of kids with no experience at all. I mean, if you're going to have your software ripped apart, you'd better use a better interface to make it easier to learn the software. There are a few things in place that make form filling even more tedious. I hope to have that corrected. As far as I know, the forms you.