There is disclosed a disposable tab plate adapted to allow the user to grip the plate and the plate’s food contents without directly touching the food. Methods, apparatus, systems, and data structures may operate to generate or store error correction data for each of a plurality of sectors of a page except for a particular sector in the page and combine block management data with the particular sector to generate a modified sector. Those further total purchase price options are generated by computing the total purchase price resulting from each possible combination of sellers and items in the shopping cart. Such streaks are highlighted in displays of statistical data by visually emphasizing the data values that form the streak. The single sided silicon layer exposes a portion of the opening base surface.