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Database marketing is a form of direct marketing using databases of customers or potential customers to generate personalized communications in order to promote a product or service for marketing purposes. The method of communication can be any addressable medium, as in direct marketing.
The distinction between direct and database marketing stems primarily from the attention paid to the analysis of data. Database marketing emphasizes the use of statistical techniques to develop models of customer behavior, which are then used to select customers for communications. As a consequence, database marketers also tend to be heavy users of data warehouses, because having a greater amount of data about customers increases the likelihood that a more accurate model can be built.
There are two main types of marketing databases, 1) Consumer databases, and 2) business databases. Consumer databases are primarily geared towards companies that sell to consumers, often abbreviated as [business-to-consumer] (B2C) or BtoC. Business marketing databases are often much more advanced in the information that they can provide. This is mainly because business databases aren't restricted by the same privacy laws as consumer databases.
The "database" is usually name, address, and transaction history details from internal sales or delivery systems, or a bought-in compiled "list" from another organization, which has captured that information from its customers. Typical sources of compiled lists are charity donation forms, application forms for any free product or contest, product warranty cards, subscription forms, and credit application forms.
The communications generated by database marketing may be described as junk mail or spam, if it is unwanted by the addressee. Direct and database marketing organizations, on the other hand, argue that a targeted letter or e-mail to a customer, who wants to be contacted about offerings that may interest the customer, benefits both the customer and the marketer.
Some countries and some organizations insist that individuals are able to prevent entry to or delete their name and address details from database marketing lists.
Database marketing emerged in the 1980s as a new, improved form of direct marketing. During the period traditional "list broking" was under pressure to modernise, because it was offline and tape-based, and because lists tended to hold limited data. At the same time, with new technologies enabling customer responses to be recorded, direct response marketing was in the ascendancy, with the aim of opening up a two-way communication, or dialogue, with customers.
Robert D. "Bob" and Kate Kestnbaum were trailblazing pioneers of the new direct marketing, who were credited with developing new metrics including customer lifetime value, and applying financial modelling and econometrics to marketing strategies. They founded Kestnbaum & Co, a consulting firm in 1967, and this was the training ground for many of database marketing's leading thinkers, including Robert Blattberg, Rick Courtheaux and Robert Shaw. Bob Kestnbaum was inducted into the DMA Hall of Fame in October 2002.
Kestnbaum collaborated with Shaw in the 1980s on several landmark online marketing database developments - for BT (20 million customers), BA (10 million) and Barclays (13 million). Shaw incorporated new features into the Kestnbaum approach, including telephone and field sales channel automation, contact strategy optimisation, campaign management and co-ordination, marketing resource management, marketing accountability and marketing analytics. The designs of these systems have been widely copied subsequently and incorporated into CRM and MRM packages in the 1990s and later.
The earliest recorded definition of Database Marketing was in 1988 in the book of the same name (Shaw and Stone 1988 Database Marketing):
The growth of database marketing is driven by a number of environmental issues. Fletcher, Wheeler and Wright (1991)  classified these issues into four main categories: (1) changing role of direct marketing; (2) changing cost structures; (3) changing technology; and (4) changing market conditions.
THE CHANGING ROLE OF DIRECT MARKETING
CHANGING COST STRUCTURES
CHANGING ECONOMIC CONDITIONS"""
Shaw and Stone (1988) noted that companies go through evolutionary phases in the developing their database marketing systems. They identify the four phases of database development as:
Although organizations of any size can employ database marketing, it is particularly well-suited to companies with large numbers of customers. This is because a large population provides greater opportunity to find segments of customers or prospects that can be communicated with in a customized manner. In smaller (and more homogeneous) databases, it will be difficult to justify on economic terms the investment required to differentiate messages. As a result, database marketing has flourished in sectors, such as financial services, telecommunications, and retail, all of which have the ability to generate significant amounts of transaction data for millions of customers.
Database marketing applications can be divided logically between those marketing programs that reach existing customers and those that are aimed at prospective customers.
In general, database marketers seek to have as much data available about customers and prospects as possible.
For marketing to existing customers, more sophisticated marketers often build elaborate databases of customer information. These may include a variety of data, including name and address, history of shopping and purchases, demographics, and the history of past communications to and from customers. For larger companies with millions of customers, such data warehouses can often be multiple terabytes in size.
Marketing to prospects relies extensively on third-party sources of data. In most developed countries, there are a number of providers of such data. Such data is usually restricted to name, address, and telephone, along with demographics, some supplied by consumers, and others inferred by the data compiler. Companies may also acquire prospect data directly through the use of sweepstakes, contests, on-line registrations, and other lead generation activities.
For many business-to-business (B2B) company marketers, the number of customers and prospects will be smaller than that of comparable business-to-consumer (B2C) companies. Also, their relationships with customers will often rely on intermediaries, such as salespeople, agents, and dealers, and the number of transactions per customer may be small. As a result, business-to-business marketers may not have as much data at their disposal as business-to-consumer marketers.
One other complication is that B2B marketers in targeting teams or "accounts" and not individuals may produce many contacts from a single organization. Determining which contact to communicate with through direct marketing may be difficult. On the other hand it is the database for business-to-business marketers which often includes data on the business activity about the respective client.
These data become critical to segment markets or define target audiences, e.g. purchases of software license renewals by telecom companies could help identify which technologist is in charge of software installations vs. software procurement, etc. Customers in Business-to-Business environments often tend to be loyal since they need after-sales-service for their products and appreciate information on product upgrades and service offerings. This loyalty can be tracked by a database.
Sources of customer data often come from the sales force employed by the company and from the service engineers. Increasingly, online interactions with customers are providing B2B marketers with a lower cost source of customer information.
For prospect data, businesses can purchase data from compilers of business data, as well as gather information from their direct sales efforts, on-line sites, and specialty publications.
Companies with large databases of customer information risk being "data rich and information poor." As a result, a considerable amount of attention is paid to the analysis of data. For instance, companies often segment their customers based on the analysis of differences in behavior, needs, or attitudes of their customers. A common method of behavioral segmentation is RFM (customer value), in which customers are placed into subsegments based on the recency, frequency, and monetary value of past purchases. Van den Poel (2003) gives an overview of the predictive performance of a large class of variables typically used in database-marketing modeling.
They may also develop predictive models, which forecast the propensity of customers to behave in certain ways. For instance, marketers may build a model that ranks customers on their likelihood to respond to a promotion. Commonly employed statistical techniques for such models include logistic regression and neural networks.
As database marketing has grown, it has come under increased scrutiny from privacy advocates and government regulators. For instance, the European Commission has established a set of data protection rules that determine what uses can be made of customer data and how consumers can influence what data are retained. In the United States, there are a variety of state and federal laws, including the Fair Credit Reporting Act, or FCRA (which regulates the gathering and use of credit data), the Health Insurance Portability and Accountability Act (HIPAA) (which regulates the gathering and use of consumer health data), and various programs that enable consumers to suppress their telephones numbers from telemarketing.
While the idea of storing customer data in electronic formats to use them for database-marketing purposes has been around for decades, the computer systems available today make it possible to gain a comprehensive history of client behavior on-screen while the business is transacting with each individual, producing thus real-time business intelligence for the company. This ability enables what is called one-to-one marketing or personalization.
Today's Customer Relationship Management (CRM) systems use the stored data not only for direct marketing purposes but to manage the complete relationship with individual customer contacts and to develop more customized product and service offerings. However, a combination of CRM, content management and business intelligence tools are making delivery of personalized information a reality.
Marketers trained in the use of these tools are able to carry out customer nurturing, which is a tactic that attempts to communicate with each individual in an organization at the right time, using the right information to meet that client's need to progress through the process of identifying a problem, learning options available to resolve it, selecting the right solution, and making the purchasing decision.
Because of the complexities of B2B marketing and the intricacies of corporate operations, the demands placed on any marketing organization to formulate the business process by which such a sophisticated series of procedures may be brought into existence are significant. It is often for this reason that large marketing organizations engage the use of an expert in marketing process strategy and information technology (IT), or a marketing IT process strategist. Although more technical in nature than often marketers require, a system integrator (SI) can also play an equivalent role to the marketing IT process strategist, particularly at the time that new technology tools need to be configured and rolled out.
While real-time business intelligence is a reality for select companies, it remains elusive to many as it is dependent on these premises: the percentage of the business that is online, and the degree of level of sophistication of the software. Technology companies like Google, Dell, and Apple are best positioned to capitalize on such intelligence. For other companies, more traditional methods still apply, either to maintain communication with an existing customer base (retention) or, as a more established growth driver, to build, acquire or rent new databases (acquisition). A major challenge for databases is the reality of obsolescence - including the lag time between when data was acquired and when the database is used. This problem can be addressed by online and offline means including traditional methods. An alternative approach is real-time proximity marketing for acquisition purposes.