Amazon started as an electronics store.
Why it is true
Amazon was founded by Jeff Bezos in 1994 as an online bookstore. Bezos chose books because they were easy to store and ship. Only later did the company expand into electronics, clothing and other products.
Source: Computer History Museum
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.