You probably know Rapportive, Fullcontact or Clearbit. These APIs / Tools allow you to get dozens of informations from a single email address, such as: - basics: first and last name - demographics: age, gender... - location: street address, city, zip... - company: jobtitle, role, company name... - interests - social: github, twitter, facebook... - and a loooooooot more. In this article, we compared 4 main criteria: - fiability - quantity - speed - exhaustivity I hope you'll like it ! Feel free to ask if you have any question ;) Brice ---- NB: this is a french article, but the english version is accessible using the US flag on top of the article

This conversation is PACKED with ideas for testing SEO, building dashboards to get all SEO metrics in one place, and moving the needle for brands like Casper, Genius, Lending Tree.

A walk through of how Segment built an automated outbound system that has higher open, response and conversion rates than those sent by humans. This system now accounts for 22% of new sales opportunities and drives 10K in revenue per day.