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R

RAD – Rapid Application Development 

An 

approach to information systems development that 

includes incremental development using prototypes.

 Radio-  frequency  identification  (RFID) 

 Microchip- 

 based electronic tags are used for monitoring anything 

they are attached to, whether inanimate (products) or 

animate (people).

Reactive change 

A direct response by an organisation 

to a change in its environment.

Really Simple Syndication (RSS) feeds 

Blog, news 

or other content is published by an XML standard and 

syndicated for other sites or read by users in RSS reader 

software services. Now typically shortened to ‘feed’, e.g. 

news feed or sports feed.

Reciprocal links 

An exchange of links between two  

site owners.

Record 

A collection of fields for one instance of an 

entity, such as Customer Smith. See Database.

Referrer 

The source of a website visit, e.g. paid search, 

affiliate marketing, online advertising or recorded as ‘no 

referrer’, i.e. when a URL is typed in directly.