These details are used to create customer profiles, track subsequent visits, and deliver targeted ads.

[3] In March 2017, the company raised an additional $30 million in a series C round of funding led by Maverick Ventures and several previous investors.

When customers at these businesses access their free public Wi-Fi, they are asked to provide an e-mail address or other form of contact information.

Adentro uses that information to build a customer profile, track visit history, and deliver targeted ads.

[7] Adentro is headquartered in San Francisco[8] with offices in Phoenix, Arizona[9] and Waterloo, Ontario, Canada.