An Excel worksheet has 17,179,869,184 cells.

Since Excel 2007 every sheet has 1,048,576 rows and 16,384 columns (A to XFD). Multiply them and you get just over 17 billion cells — per sheet. Your laptop runs out of memory long before you run out of cells.

Toyota was a loom maker first

Sakichi Toyoda built automatic weaving looms. His son started the car division in the 1930s using money from selling loom patents.