Global Recommendation Engine Market Size study, by Product Type (Collaborative Filtering, Content-based Filtering, Hybrid Recommendation), by Deployment (On-premise, cloud), by Application (Personalized Campaigns and Customer Delivery, Strategy Operations and Planning, Product Planning and Proactive Asset Management), by organization (SMEs, large enterprises) By end use (Information Technology, Healthcare, Retail, BFSI, Media & Entertainment, Others) and Regional Forecasts 2021-2027