Mobile devices can also create their own small hot spots, including phones and dedicated data devices. The service is enabled by one or more Wi-Fi access points set up by whoever offers the hot spot. The access point is a small electronic box connected to the Internet, with a Wi-Fi radio and antenna.
Furthermore, based on Ranganathan's laws, Jim Thompson (1992) in protesting against a library services, revised Ranganathan's laws to the following statements: 1  Books are for profit. 2  Every reader his bill. 3  Every copy its bill.  Take the cash of the 1  reader. The library is a groaning organism.
Librarians working in a special library, such as a law, medical, or corporate library, usually supplement a masterâs degree in library science with knowledge of their specialized field. Some employers require special librarians to have a masterâs degree, a professional degree, or a Ph.D. in that subject.