The BBC also told us that it needed to build something different to a commercial algorithm, saying that there are many commercial models that lead you to where you do not want to be. Whereas, the BBC also has its public service values, and wants to educate and entertain. “We are going to have to get a very careful balance, and this is a very interesting challenge. It is different … and no one in the world has done it, by the way.”48 Data security