In fact, they used the word element to talk about anything that was basic. Ancient Greek philosophers, for example, thought that everything consisted of four elements: earth, fire, water, and air. Other philosophers thought there were only two elements: sulfur and mercury.
The Internet was expected to eliminate search costs (Pereira 2005). For example, electronic commerce was predicted to cause disintermediation as search costs become low enough for end-consumers to incur them directly instead of employing retailers to do this for them.
A: While the most searched topic on the Internet changes constantly, top topics searched during 2013 included Paul Walker, the Boston Marathon bombing, Nelson Mandela, Miley Cyrus and Drake. In 2012, top terms searched were Gangnam Style, Gary Barlow, iPad 3, Natwest online and Netflix.