When technology is not that much developed and world connection and communication is not yet in its advance level, the data that is stored is mainly kept and maintained by the organization or business that controls it. Many needed documents are to be stored safely for retrieval and most data are screened according to its importance and value because of lacking storage, data processing, and data recording. It seems simple but it requires much work when a company is big. Retrieval of information takes time and effort.
As the time comes to advance and high technology age, changes also occurs in regard to the data. Data that needs to be stored or just stored that are raw, meaning not processed just compiled, increased in amount tremendously like have your hearing aid 聽障 助聽器. According to record, every month the amount of data stored increased continuously.
Now the data became big data that requires a program or techniques to process it to produce a conclusion that could provide a projection . Processing and storing of big data should produce a useful conclusion but because of the vast amount of it, only .5% of it is being processed and analyzed.Big data can provide many opportunities if it is processed and analyze properly.