If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
I was been bold with a very basic question. It goes like this "What is the difference between Message and File?u201D Please feel free to throw your wild imagination and share your opinion.