> I don't like tracking scripts either but why can't the ad networks get together and create a shared script instead of so many that seem to be redundant? I've

> I don't like tracking scripts either but why can't the ad networks get together and create a shared script instead of so many that seem to be redundant? I've asked that myself many times, and I mostly decided that part of the reason is at least partly related to why there were so many browser engines back in the day (Mozilla, IE, Webkit, Opera, etc). Each company thinks they can track something differently/better than another. Even if ultimately it just lowers the bar for the industry.