Clay is the most powerful for B2B — it enriches leads with 50+ data sources and writes personalised outreach at scale. Apollo.io is best for accessing a large B2B database with built-in sequencing.
Yes — Drift and Intercom use AI to qualify website visitors via chat, asking qualification questions and routing high-value leads to sales. HubSpot AI scores leads based on behaviour.
AI personalises cold emails at scale using prospect data — company news, job changes, LinkedIn activity. Personalised emails get 3-5x higher reply rates than generic templates.