The 1939 âhot dog summitâ between Franklin Roosevelt and Englandâs King George VI in Hyde Park is the subject of a new movie, Hyde Park on the Hudson.
Quick Response Code (QR Code) A quick response code (QR code) is a type of two-dimensional bar code that consists of square black modules on a white background. QR codes are designed to be read by smartphones.
The amount of data that can be stored in the QR code symbol depends on the datatype (mode, or input character set), version (1, â¦, 40, indicating the overall dimensions of the symbol), and error correction level.ome 58% of those users scanned a QR or barcode from their homes, while 39% scanned from retail stores; 53% of the 14 million users were men between the ages of 18 and 34. The use of QR codes for virtual store formats started in South Korea, and Argentina, but is currently expanding globally.