https://www.uber.com/ take a look at that-there all-caps branding. It's pretty prominent in the app, too. (At least for UBER as an overall brand - uberX and the like are gladly lowercased.)
Though they do use lowercase in some minor text. Still easy enough to make the mistake, though.
Everything on their home page is in all-caps, not just the word Uber. If you look at press releases, their social media accounts, their emails, anything other than their all-caps homepage, it's shown as Uber.
Though they do use lowercase in some minor text. Still easy enough to make the mistake, though.