CIMM DEFINITION: Short for Mobile Commerce, it is the ability to conduct monetary transactions via a mobile device, such as a WAP-enabled cell phone. (Source: IAB)

MAC Address abbr Media Access Control Address

See also: Node

CIMM DEFINITION: The Set-Top Box ID a unique identifying code by the manufacturer for each specific Set-Top Box. MAC Address indicates, among other things, address of the household (and the accompanying profile information that the provider will have for billing and home configuration).

2: Media Access Control ID. Number unique to a specific Set-Top Box. May include a readable bar code label. (Source: Nielsen)

3. The ID that uniquely identified a network device, e.g. Set-Top Box or removable CableCard, (Source: FourthWall Media)

NOTE – A Set-Top Box may have several different MAC addresses depending on the number of network interfaces it has. For example, a Set-Top Box may have different MAC addresses, one for in-band and one for out-of-band tuner. (Source: FourthWall Media)

Mailing List

CIMM DEFINITION: An automatically distributed e-mail message on a particular topic going to certain individuals. (Source: IAB)


CIMM DEFINITION: A button on the Remote that returns to service provider’s On-Demand “Main” menu page to restart from the beginning of On-Demand options.


CIMM DEFINITION: Additional ad impressions which are negotiated in order to make up for the shortfall of ads delivered versus the commitments outlined in the approved insertion order or guaranteed ad campaign. (Source: IAB)

Marketing Causals

CIMM DEFINITION: A form of ROI which examines the cause and effect of certain marketing messages on individuals’ purchasing behavior.

Master Headend

See also: Headend

CIMM DEFINTION: A headend that collects television program material from various sources by satellite, microwave, fiber, and other means, and distributes this material to Distribution Hubs in the same metropolitan or regional area. A master headend MAY also perform the functions of a distribution hub for customers in its own immediate area. (Source: CableLabs)

Mb abbr Megabit

See also: Bitrate, Kilobits Per Second, Bits Per Second

CIMM DEFINITION: 10^6 bits of information (usually used to express a data transfer rate; as in, 1 megabit / second = 1Mbps). (Source: itvt.com/glossary)

MDU abbr Multiple Dwelling Unit

CIMM DEFINITION: A location where many households reside such as an apartment building (Source: CTAM Advanced Cable Solutions Consortium, DAI Metrics)

Measured Ad Skipping

See also: Ad Skipping

CIMM DEFINITION: Ad skipping based on actual Set-Top Box tune-away data. (Source: Visible World)