![]() ![]() ![]() “Users with cognitive impairments often struggle with unfamiliar icons or unfamiliar patterns,” he says, adding that smaller icons will naturally pose challenges for accessibility, too. None of this is apparently a problem for the millions of people tapping on these apps every day, and Bowles himself stresses he’s not criticising, merely noting a shift in design standards – though it does raise concerns with accessibility. ![]() They’ve done away with all that and it is essentially you play around, you swipe to find things, but we’re not going to give you a clue as to what they are and where they are, leaving it for the user to discover them by accident.” “You’d always want to have an icon or establish a special hierarchy or layout. “These apps use a lot of on-screen swipes to navigate between screens in ways that classical usability people would say are completely undiscoverable,” he says. Snapchat has icons to tab to the left and right, but it also uses a swipe. Open TikTok, and videos from random users immediately start playing, with further clips uncovered via an endless scroll. “They essentially throw all that away,” he says. That’s not the case in this new class of apps, like TikTok, Snapchat, or Bigo. Open a standard iOS app, and you already know how to navigate it without any thought, making apps easier to use. “iOS in particular has a quite rigid spatial metaphor. Icons and text aside, the main difference with this new rule-breaking design is what Bowles calls the spatial metaphor of the app – essentially its structure and patterns. ![]()
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