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Customer Insight development in Vodafone Italy Emanuele Baruffa – Vodafone Seugi - Vienna, 17-19 June 2003 Seugi 21_Vienna Pag. 1 Contents: 1. Introduction 2. Customer Base Management 3. Customer Insight 4. Data Environment 5. Conclusions Seugi 21_Vienna Pag. 2 1. Introduction 2. Customer Base Management 3. Customer Insight 4. Data Environment 5. Conclusions Seugi 21_Vienna Pag. 3 Mobile telephony is one of the fastest growing industries in the world Worldwide growth in subscribers (millions) ! 1 billion subscribers around the world 1480 1321 1152 ! Over 120 countries have mobile networks 958 727 ! Further acceleration expected 479 206 Source: EITO Seugi 21_Vienna 14 34 1991 1993 87 1995 1997 1999 2000 Pag. 4 2001 2002 2003e 2004e Italy: Europe’s second biggest mobile market Country Subscribers Western European TLC market growth by country (% ) Penetration % 10 9,1 9 Germany 60,300,000 84% 8 Italy UK 54,000,000 50,900,000 98% 92% 6 6,8 6,8 7 6,2 5,6 5,6 5,0 5 5,7 6,1 5,4 5,8 4,0 4 France 39,000,000 77% Spain 34,000,000 88% 3 2 1 0 Germany Sources: internal sources for Italy, Yankee Group for other European countries Seugi 21_Vienna Source: EITO Italy UK 2001/2002 Pag. 5 France 2002/2003 Spain Western Europe Penetration rate in the Italian market 96% 60,000 91% Subscribers (,000) 50,000 98% 90% Penetration Rate 80% 74% 70% 40,000 60% 53% 30,000 50% 36% 40% 20,000 30% 21% 10,000 100% 20% 11% 10% 0 0% 1996 1997 1998 Seugi 21_Vienna 1999 2000 2001 Pag. 6 2002 2003 Italian market shares Total subscribers on 31.03.03 17% 36% 47% Seugi 21_Vienna Pag. 7 Vodafone Italy Customer Base 18,900,000 17,400,000 14,920,000 10,418,000 6,190,000 2,460,000 713,000 Dec. 1996 Dec. 1997 Dec. 1998 Dec. 1999 Seugi 21_Vienna Dec. 2000 Dec. 2001 Dec. 2002 Pag. 8 1. Introduction 2. Customer Base Management 3. Customer Insight 4. Data Environment 5. Conclusions Seugi 21_Vienna Pag. 9 Customer management strategy ! Strategy: Consolidate leadership through customer base management ! Marketing Goals: meet customers’ needs and identify the best treatment to each customer at the right time through the most suitable channel at the appropriate cost. This approach helps to increase ! customer loyalty ! customer value (ARPU) How ! create customer insight building a Customer Centric DB (CKM) that allow to: ! Identify segments for cross-selling actions " Customer Segmentation ! Identify customers with highest value potential for new high value added services such as SMS, Voice Mail " Propensity to uptake VAS ! Identify customers with highest churn probability " Churn propensity score Seugi 21_Vienna Pag. 10 1. Introduction 2. Customer Base Management 3. Customer Insight 4. Data Environment 5. Conclusions Seugi 21_Vienna Pag. 11 Approach for developing customer insight 1. Brainstorming 2. Gather comprehensive customer information 3. Analyze and segment customer base 6. Fine Tuning 5. Measure results Seugi 21_Vienna 4. Data Mining Pag. 12 Customer Value Score % CB % Margin 70-80% ~ 30% High value customers ~ 70% Low value 20-30% customers 20-30% ! High value customers make up for majority of margins ! Margins are relevant and not revenues because some high spenders also have high interconnection cost ! Resources should be allocated proportionally to margins generated Value is calculated on a monthly basis for each customer. Customer value is measured based on a four month average Marpu Seugi 21_Vienna Pag. 13 Churn Modelling MACRO SEGMENTATION TARGET DEFINITON DATA ANALYSIS •Define the event •Data Exploration •Identify – Correlation relevant market you want to between target predict segments variable and • Example • Example – Inactive SIM explanatory – Consumer variables for Prepaid # Prepaid – Data Customers # Contracts – “Cancellation transformation – Corporate #Trends letter” for # Small #Grouping Contract Accounts Customers # Large Accounts MODEL MICRO SEGMENTATION BUILDING •Identification of •Oversampling • Application of groups with data mining similar churn techniques behaviour – improvement – Logistic regression of model –Decision tree accuracy – Neural –Focus on: Networks # “Active” customers •Measurement # High value of the goodness of fit (model customers validation on hold-out sample) MODEL IMPLEMENTATION •Implement model in a production environment • Monthly production of churn index MODEL EVALUATION •Ex-post evaluation of model performance – % of correct predictions Analyse churn behavior of actual churners to predict churn behavior of the customer base Seugi 21_Vienna Pag. 14 Churn Propensity Score Model Lift High Risk to churn Medium Risk to churn 5.5 Low Risk to churn 3.2 0.5 Red Yellow Green The likelihood to churn is estimated on a monthly basis for each VO customer. Customers flagged in RED are five times more likely to churn than an average customer. Seugi 21_Vienna Pag. 15 Segmentation Methodological Road Map Segmentati on Data Mart Data Analysis Clusterin g Segmentati on Algorithm Cluster analysis Factoral Application Build a data Analysis to of mart with all •Started from a identify main large number of segmentatio segmentation dimensions n rules to variables micro-clusters of the entire •Demographic •Then reduced/ segmentatio customer data n base •Voice Traffic aggregated •Customers (peak-offpeak, clusters to a Elimination are assigned network, “manageble” and of outliers to the discounted meaningful nearest tariffs) number cluster (rule: •Service usage minimum (wap, gprs, sms, mplay, Cluster validation Euclidean distance music, …) with market clusterof •Propensity to Customers are assigned to segments based on from their usage research centroid) VAS uptake mobile services, attitude towards technologies and their lifestyles Seugi 21_Vienna Pag. 16 Propensity to Uptake VAS Developed and implemented statistical models to predict on a monthly basis the likelihood of a VO customer to uptake five different Value Added Services. SMS No Users SMS Low Users SMS ADVANCED SMS High Users SMS not using Flash SMS WAP INTERNET SELF CARE VOICE MAIL No registered customers on Vodafone Italy web site No Users Voice Mail WAP handset owners not using WAP High propensity customers are on average three times more likely to start using a service than an average customer Seugi 21_Vienna Pag. 17 1. Introduction 2. Customer Base Management 3. Customer Insight 4. Data Environment 5. Conclusions Seugi 21_Vienna Pag. 18 Customer Knowledge Management System (CKM) Raw data DWH (Oracle) Demographics Traffic Service Usage Handset Loyalty ………… daily + monthly Campaign Management System CKM (Oracle) DSS Analysis (Microstrategy) End User (Web) Seugi 21_Vienna Data Mining (SAS) ORACLE ORACLE ++ File File System System SAS SAS End User Data Mining (SAS Miner, SAS Stat, ...) Pag. 19 CKM Modelling Environment SAS Access Oracle ® SAS CKM Application Campa Campa gne gne D W H ……. ……. Anagrafi Anagrafi ca ca Fase 1 SAS Connect ® CKM CKM Segmentation & Sampling Data Transformation SAS Enterprise Miner ® Model Development Rules Fase 2 Score Score SAS Warehouse Administrator ® Seugi 21_Vienna Metadata Pag. 20 SAS CKM Application ! A Graphical User interface: has been developed to interact with the Customer DataMart. ! Some of the functions of this GUY: $ Dynamical datamart: extraction and definition of subuniverse for a given temporal interval with the maximum flexibility $ Mining : ! 1. Development of a statistical model with SAS/Enterprise Miner® 2. Export of the model Assessment of predictive models when deployed: allow to verify performance on model (to measure degradation) and doing ex-post analysis on redemption. Seugi 21_Vienna Pag. 21 1. Introduction 2. Customer Base Management 3. Customer Insight 4. Data Environment 5. Conclusions Seugi 21_Vienna Pag. 22 In Summary… A successful strategy needs to be based on a good understanding of customer needs by customer groups Customer Insight simple to understand in order to become a real working tool for all Develop parts of the organization (customer care, marketing, sales). Take actions on customer insight and fine tune models to improve results over time Reasons to Fail: % Lack of strategy % Lack of data % Lack of statistical skills % Lack of commitment from Marketing CRM/Customer operations Seugi 21_Vienna Pag. 23