[jkent]

Under the Google Tag Manager Terms of Service, the account holder owns the data. We don't do anything with that data without your consent and Google Tag Manager collects very little data itself - it's cookie-less. I hope that helps!

[javajosh]

Then I guess I'm confused as to what Google's angle is here. I presume there's at least a small team of 6-figure salaried programmers behind this, so what justifies the expense?

[darien]

To compete in the growing Tag Management Market. Adobe offers a Tag Management service and there are many other paid premium versions. Tag Management is a tool for digital marketers to deploy agile javascript code in a technical environment where site builds are not agile.

[enomar]

Tagging is friction on Ad campaigns. Remove that friction and marketers can run more/better campaigns, thus spending more money with Google.