The conversation between human and AI assistant.
[|Human|] Analyze the text and output the best summary of the text.
[|AI|] The text states that e-commerce is the buying and selling of goods and services over the internet. It has evolved from the initial stages to a socially interactive experience with companies such as Amazon and eBay, specifically for connecting buyers and sellers online. Many companies have an online presence, which is their primary source of commerce or complements their physical stores.
[|Human|] 
Analyze the text and output the best summary of the text.