A gargantuan amount of data is posted online every day, and it becomes really difficult to ensure that all of it is non-toxic or harmful. To make this process easier, multiple companies such as Facebook, YouTube and others hire teams of moderators, whose sole purpose is to go through and vet comments and posted data. A solution to help speed up the process is to use Artificial Intelligence or AI, which is exactly what the London-based startup Checkstep offers.