People buying technology products have no shortage of opinions about user interface, whether it's the appeal of faux-wood bookshelves or the utility of home screen widgets. But they're less willing to speak their minds about other classes of products. Like sex toys, for example. Motherboard takes a look at a handful of companies (like Minna, whose Ola is pictured above) that are trying to reinvent UIs in the adult realm using the same iterative approach found in more traditional startups. But is all of this reconsideration actually producing better products? A representative from sex toy review site Hey Ephiphora writes, "I actually think that, on the whole, cheaper toys tend to have better controls, because the companies aren't obsessed with being innovative."