"NoRedInk Adds New Exercises to Prepare Students for ACT, SAT," Edsurge wrote on March 15, 2017. This article fails to disclose that Edsurge and NoRedInk share an investor: Learn Capital.

This sort of disclosure (or lack thereof) is particularly important as Edsurge now sells schools a service in which it recommends ed-tech products to them.

For more information about this and other disclosure alerts, read this blog post.