Which of the following is true of Amazon?

Question $16$ options:

Amazon's early warehousing was a model of efficiency and was critical to the firm being profitable from the start.

Amazon is the last place most consumers shop online.

The three pillars of Amazon's business are large selection, convenience, and lower prices.

Amazon, only recently has started selling directly to customers.

Amazon concentrates on niche customers, low brand assortment, and higher prices to gain competitive advantage.