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E-commerce (electronic commerce) is the activity of electronically buying or selling products on online services or over the Internet.E-commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.
The electron ( e− , or β− in nuclear reactions) is a subatomic particle with a negative one elementary electric charge.[13] Electrons belong to the first generation of the lepton particle family,[14] and are generally thought to be elementary particles because they have no known components or substructure.[1] The electron's mass is ...
Alibaba Group Holding Limited, branded as Alibaba, is a Chinese multinational technology company specializing in e-commerce, retail, Internet, and technology.
North America covers an area of about 24,709,000 square kilometers (9,540,000 square miles), representing approximately 16.5% of the Earth 's land area and 4.8% of its total surface area. It is the third-largest continent by size after Asia and Africa, and the fourth-largest continent by population after Asia, Africa, and Europe.
The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan, a Continental Army aide to General George Washington, wrote to Joseph Reed, Washington's aide-de-camp, seeking to go "with full and ample powers from the United States of America to Spain" to seek assistance in the Revolutionary War effort.
Jeffrey Preston Bezos ( / ˈbeɪzoʊs / BAY-zohss; [2] né Jorgensen; born January 12, 1964) is an American businessman, media proprietor and investor. He is the founder, executive chairman, and former president and CEO of Amazon, the world's largest e-commerce and cloud computing company.
Theodore Roosevelt Jr. [b] (October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, soldier, statesman, conservationist, naturalist, and writer who served as the 26th president of the United States from 1901 to 1909.
