Visualização gráfica muito interessante de expansão espaço-temporal de rede varejista.
Walmart (blue) started slow in 1962 and then spread like wildfire in the southeast, starting in 1970, and then made its way towards the west coast. Sam’s Club starts to sprout up in the 1980s with bursts up to present.
Fonte: Blog FlowingData – Watch the Growth of Walmart and Sam’s Club