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Even if data retention may be justified, the retention periods proposed in some cases are excessive. It has been argued that a period of five days for web activity logs and ninety days for all other data would be adequate for police purposes. [citation needed] Data retention by search engines provides an unfair advantage to dominant search engines.
Customer proprietary network information (CPNI) is the data collected by telecommunications companies about a consumer's telephone service. [1] It includes the time, date, duration and destination number of each call, the type of network a consumer subscribes to, and certain other information that appears on the consumer's telephone bill. [2]
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The following was T-Mobile's response regarding data retention: T-Mobile US retains customers' historic cell site information and cell tower dump information (180 days); call details records (7–10 years); text message content, data requests, and geo-location data not stored; voicemail content (up to 21 days); subscriber information (6 years ...
Data retention laws and regulations ask data owners and other service providers to retain extensive records of user activity beyond the time necessary for normal business operations. These requirements have been called into question by privacy rights advocates.
Retention is allowed for billing purposes but only as long as the statute of limitations allows the payment to be lawfully pursued. Data may be retained upon a user's consent for marketing and value-added services. For both previous uses, the data subject must be informed why and for how long the data is being processed.
Farley file – Set of records kept by politicians; History of marketing – Academic discipline studying the history of marketing practice and thought; Healthcare CRM; Intersubjectivity – Concept in philosophy and psychology; Relationship marketing – Form of marketing focused on customer retention
However, since communications is the central aspect of customer relations activities, many opt for the following definition of mCRM: "communication, either one-way or interactive, which is related to sales, marketing and customer service activities conducted through mobile medium for the purpose of building and maintaining customer ...