Tag Management is the second generation digital analytics process, this was introduced to universally tag the pages for collecting data for multiple data collection/measurement tools - One Tag to address all your data collection & re-marketing needs.
Some of the widely used “Tag Management Tools” in the market are – Google Tag Manager, Adobe Dynamic Tag Manager, Ensighten Tag Manager, Tealium. All tools listed here serves the core purpose being digitally collect and distribute data to multiple systems with minimum tags in the page.
We don’t have to collect data what we already know
This article is not about the tool but the practice of data collection.