WhoKnows | 1,597 followers on LinkedIn. WhoKnows is a unified prospecting and lead gen platform for B2B startups | WhoKnows has build a B2B lead gen platform for startups with AI-enriched prospect data (370M prospects), a growth lab with rapid omni-channel campaign testing (email, paid ads, SDRs, SEO, etc), agile marketing services , and startup-friendly pricing. It’s the fastest, most affordable way to discover and scale your optimal lead gen engine.