At first glance, you'd think that Cafe Diglas in Vienna, Austria, was just another normal, refined, coffee house in the old Viennese style.
But one visit to its restrooms proves otherwise.
For as you can see from the viral video above, the glass door on each toilet cubicle is completely see-through - and only becomes opaque when you turn the lock. Is it magic? Is it science? Whatever it is, it's pretty damn kühl.
Whatever will they think of next - an app that covers up your toilet noises?! Oh, wait. They already did:
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The Ultimate List Keeper
<strong>What?</strong> <a href="http://www.any.do/">Any.Do </a> <strong>In detail:</strong> Sometimes a paper and pen just doesn’t cut it; especially if you have a tendency to have multiple to-do lists on the go at any one time. Any.Do allows you to sync your lists with all of your devices, it also auto-completes your lists as you type them, and it helps organise, prioritise and colour code tasks so you can always see at a glance what's at the top of your list. And we’re big fans of the slick design. <em>Free, available on iOS and Android devices</em>
The Teen Translator
<strong>What?</strong> <a href="http://www.textgenieapp.co.uk/">TextGenie</a> <strong>In detail:</strong> Need to communicate with a teenager on a regular basis? Does the lack of Queen’s English drive you a little cray? Do U find txt spk frustr8ting? This fun app will help you sort your #yolos from your #lolz. <em>£0.89, available on Android</em>
The Personal Finance Assistant
<strong>What?</strong> <a href="https://www.pageonce.com/">PageOnce</a> <strong>In detail:</strong> Pay all your bills on the go, track your budgets, view your balance at a glance and receive real-time alerts. You can also keep tabs on your investment portfolio, if you have one. In fact the only thing this easy to use personal finance app doesn’t do is earn you the money in the first place (sorry). As with any app that deals with secure information, if you're accessing information online <a href="http://www.microsoft.com/atwork/remotely/hotspots.aspx#fbid=UbUzBDhhPiw">be aware of Wi-Fi hotspots that are unprotected and unencrypted</a>. <em>Free, available on iOS and Android devices</em>
The Ultimate Shop Assistant
<strong>What?</strong> <a href="http://redlaser.com/">RedLaser </a> <strong>In detail:</strong> Use your phone to scan product barcodes and the app will give you a list of places that you can buy it for immediate comparison, therefore ensuring that you get the best deal. You can also search by product name if you don’t have the barcode and the app will suggest alternatives. This app is especially indispensable when you’re shopping the sales and want to make sure you're getting the best bargain around. <em>Free, available on iOS, Window and Android devices</em>
The Digital Sous Chef
<strong>What?</strong> <a href="http://www.howtocookeverything.com/">How To Cook Everything</a> <strong>In detail:</strong> <em>New York Times</em> columnist and food writer Mark Bittman takes the digital cookbook to the next level with this app. Although there is a free version, it’s worth shelling out for the full version, which has 2,000 recipes and more than 400 how-to illustrations under its belt. It’s also extremely user friendly, and the iPad version is especially impressive with special features like a notes tab, built-in timer and a constant ‘on’ button to prevent your device’s light dimming – and consequently preventing it from getting covered in sticky finger marks. True, you can get recipes off the internet, but this is so much more than a recipe book. <em>From £2.99, available on iOS devices</em>
The Discount Hunter
<strong>What?</strong> <a href="http://www.quidco.com/">Quidco</a> <strong>In detail:</strong> By working with over 3,400 retailers, restaurants and high street stores, Quidco pays you a cash reward and offers discounts when you click through from the app to buy goods or financial products – saving you hundreds of pounds a year. The app also includes GPS so you know which shops near you are offering deals. If you’re new to the concept, the cashback site phenomena can be a little tricky to get your head around. We recommend that you read <a href="http://www.which.co.uk/money/bills-and-budgeting/guides/cashback-sites/cashback-sites-what-to-watch-out-for/">Which’s guide</a> for some extra pointers. <em>Free, available on iOS and Android devices</em>
The Top Class Personal Trainer
<strong>What?</strong> <a href="http://www.nike.com/gb/en_gb/c/womens-training/apps/nike-training-club">Nike Training Club</a> <strong>In detail:</strong> This fitness training app is your personal trainer anytime and anywhere. It comprises 60 workouts that have been created to target all areas of the body, and the also includes workouts from international athletes and celebrity personal trainers. Once downloaded, the app asks if you want to get lean, get toned, get strong or get focused. Then it's simply a case of plugging in your current fitness level information and you can get moving. <em>Free, available on iOs</em>
The Restaurant Critic
<strong>What?</strong> <a href="http://www.hardens.com/">Harden’s Restaurant Guide</a> <strong>In detail:</strong> Boasting 85,000 reports on 2,500 you can sort by ratings for food, service and ambience and sort by location or cuisine, as well as prioritise price and how close they are to you. True, it doesn’t come cheap, but it’s hard to beat when it comes to delivering accurate reviews for a delicious and decent value dinner out. <em>£6.99, available on iOS and Blackberry </em>