Easier Tagging for E Commerce by Google Tag Manager

Ok I guess I am a bit late to this, but I really like the concept of Google Tag Manager https://developers.google.com/tag-manager/ and the fact they have a WordPress plugin ready http://wordpress.org/extend/plugins/wp-google-tag-manager/. What does it do? It integrates all your tags on websites on one dashboard. So much easier Web Analytics for marketing people who dont want to learn Reg Ex , JS etc.

IT-friendly – Google Tag Manager has lots features to set your mind
at ease—like user permissions, automated error checking, the Debug
Console, and asynchronous technology. So everything runs efficiently,
with no unpleasant surprises.
• Quick and easy – Users add or change tags whenever they want, to
keep sites running smoothly and quickly. Tags are managed with an
easy-to-use web interface, so there’s no need to write or rewrite site
code following implementation.
• Verified tags & templates – Google Tag Manager makes it easy to
verify that new tags are working properly, so users don’t need to call on
IT to check the tags. Built-in tag templates and automatic error checking
also prevent tags with improper formatting from even being deployed
on your site.
• Swift loading – Google Tag Manager replaces all your measurement
and marketing tags with a single, asynchronously loading tag—so your
tags can fire faster without getting in each other’s way.