To list all KM that I know for reminding myself when the time past.
To prepare myself before do the cert's exams.
To plan for new/next KM that I should learn.
Cause of my job that push me code on it everyday. But it's cool, quite strong e-commerce platform and most popular on Google trend result.
https://trends.google.com/trends/explore?q=magento,prestashop,woocommerce,opencart,osCommerce