Lead interactions with companies can come from various places such as ads, emails, and purchases, making it challenging to track lead interactions manually at scale. Automation can help capture and store data from different sources like forms, customer calls, email campaigns, and payment platforms. Zapier is a leader in workflow automation that integrates with thousands of apps from partners like Google, Salesforce, and Microsoft. By automating data tracking across apps, businesses can send personalized messages throughout a lead's lifecycle, resulting in more sales, better data efficacy, and building long-term customer relationships. Popular ways to enrich lead data include creating Zaps that update lead information in various marketing tools like Mailchimp, ActiveCampaign, HubSpot, Klaviyo, and Salesforce, allowing for more accurate lead data and better strategic decision-making.