“We call this Pure O2. This is the first of our planned upgrades. Once we can roll back some of Halliday's ad restrictions, we estimate we can sell up to 80% of

“We call this Pure O2. This is the first of our planned upgrades. Once we can roll back some of Halliday's ad restrictions, we estimate we can sell up to 80% of an individual's visual field before inducing seizures, so …”