Editing Closed-circuit television (section)

=== Technology ===
The earliest video surveillance systems involved constant monitoring because there was no way to record and store information. The development of [[Reel-to-reel audio tape recording|reel-to-reel]] media enabled the recording of surveillance footage. These systems required magnetic tapes to be changed manually, with the operator having to manually thread the tape from the tape reel through the recorder onto a take-up reel. Due to these shortcomings, video surveillance was not widespread.<ref name=":2" />

Later, [[videocassette recorder]] technology became available in the 1970s, making it easier to record and erase information, and the use of video surveillance became more common.<ref name=":2">{{cite book|url=https://books.google.com/books?id=DaQY8CrmqFcC&pg=PA276 |title=CCTV Surveillance|isbn=9780080468181|last1=Kruegle|first1=Herman|date=15 March 2011|publisher=Elsevier }}</ref> During the 1990s, digital [[multiplexing]] was developed, allowing several cameras to record at once, as well as [[Time lapse photography|time lapse]] and motion-only recording. This saved time and money which then led to an increase in the use of CCTV.<ref name="wecusurveillance.com"/> Recently, CCTV technology has been shifting towards Internet-based products and systems, and other technological developments.<ref>{{cite web | url=http://fennoturvapalvelut.com/ | title=Internet based CCTV on cloud services|language=fi|date=27 March 2015|publisher=fennoturvapalvelut}}</ref>