TL;DR: Lusha is an enrichment tool commonly used for email-first outbound prospecting. In a controlled test of 5,000 B2B contacts, Lusha returned usable email addresses for 71.6% of contacts and mobile numbers for 81.9%. Surfe proved the stronger option by delivering 89.4% email address find rates and 94.9% mobile find rates, giving sales teams materially higher contactability and more…