Bill Gates makes largest donation since 2000 with US$4.6 billion pledge
{"Image ImageWidth": "4530", "Image ImageLength": "3020", "Image BitsPerSample": "[8, 8, 8]", "Image PhotometricInterpretation": "2", "Image Make": "Canon", "Image Model": "Canon EOS 5D Mark II", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS5 Windows", "Image DateTime": "2011:09:30 12:58:47", "Image ExifOffset": "280", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "810", "Thumbnail JPEGInterchangeFormatLength": "9335", "EXIF ExposureTime": "1/200", "EXIF FNumber": "71/10", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:09:30 12:20:14", "EXIF DateTimeDigitized": "2011:09:30 12:20:14", "EXIF ShutterSpeedValue": "61/8", "EXIF ApertureValue": "45/8", "EXIF ExposureBiasValue": "1", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash fired, compulsory flash mode", "EXIF FocalLength": "17", "EXIF SubSecTime": "81", "EXIF SubSecTimeOriginal": "81", "EXIF SubSecTimeDigitized": "81", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "2076", "EXIF ExifImageLength": "2640", "EXIF FocalPlaneXResolution": "200159/52", "EXIF FocalPlaneYResolution": "551048/141", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}