With Duolingo, computer scientist Luis von Ahn wants to make language learning as accessible and affordable as possible. (Photo: Bob Demers/UANews)
{"Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Copyright": "\u00a92018 Arizona Board of Regents", "Image ExifOffset": "122", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "246", "Thumbnail JPEGInterchangeFormatLength": "10106", "EXIF ExifVersion": "0230", "EXIF ColorSpace": "Uncalibrated"}