Increasingly, B2B and B2C companies like Uber, AirBnB, and Amazon are defending their online terms in court. As more businesses move to the internet to take advantage of its speed and convenience, the contracts that govern their business relationships must also move online.

Courts routinely recognize that an electronic click of a button or checkbox indicates the acceptance of an online agreement. But while companies generally know this, they struggle to understand that the layout of the page and the language surrounding the checkbox or button also determines the validity and enforceability of the contract.