Add profiles to email.
business.linkedin.com/sales-solutions/sales-navigator/feature-list/sales-navigator-for-gmail
Rapportive shows you everything about your contacts right inside your inbox. You can immediately see what people look like, where they're based, and what they do. You can establish rapport by mentioning shared interests. You can grow your network by connecting on LinkedIn. Imagine relationship management built into your email. For free. Rapportive is a Y Combinator company (Summer 2010). YC-listed status: Acquired.