The Shift 100 has been put together to identify marketing and advertising technology entrepreneurs who are reinventing advertising and marketing in a digital world.

The Shift 100 entrepreneurs are at the forefront of the industries revolutionary change; shifting gears to meet the higher expectations of the modern, empowered consumer with greater speed, flexibility and efficiency.

Twitter: @GleanIn

The founders created Gleanin in 2011. They have experience in software engineering and data analysis.

Gleanin’s referral marketing widgets are designed specifically for large events such as exhibitions, conventions and trade shows.

USP: Referral Marketing for Events: Increase registrations and attendees with Gleanin's social widgets.

To view the full Shift 100, click here.