user strategy line icons collection. engagement, retention, acquisition, segmentation, conversions, loyalty, advocacy

vector icon line sign engagement retention acquisition segmentation conversions loyalty advocacy incentives personalization feedback satisfaction churn onboarding gamification attribution customercentric upselling crossselling value proposition cohort demographics psychographics user journey lifetime customer experience personas usability ab testing research nps kpis conversion rate optimization referral influencers social proof surveys net promoter score behavior funnel app service productmarket fit mobile behavioral economics cost