That is to say, the lesson of the QWERTY story remains the resilience of a design created for an outmoded technology's dictates. QWERTY is still an example of technological momentum. But the development of the design wasn't accidental or silly: it was complex, evolutionary, and quite sensible for Morse operators.
The Half Sheet cake is approximately 11 X 15 inches in size and is typically one layer thick but may come in single or multiple layers if a filling is added. Source(s): http://www.usabirthdays.com/delivery/cak...
According to Wilton, party-size cake pieces are cut to 1 1/2 x 2 inches. Wedding-size pieces are cut to 1 x 2 inches. The 9 x 13 inch cake is also known as a quarter-sheet cake. The quarter-sheet size is recommended for small birthday parties, office gatherings or intimate weddings.