How many times have you been meandering through shops by yourself, looking for a dress for a special occasion, only to be torn between two or three? German designer Bernadett Penkov (of penkov) has brilliantly solved this problem through the usage of something called QR code.

Penkov will debut her usage of the technology at Berlin Fashion Week in conjunction with firm Pixelpark. All you need to do is snap a photo of the special barcode ...