Their customer service team attempts to interact with every member which joins.
Together they test different approaches, identify what works and then spread this information amongst their team (after securing bragging rights for themselves). These approaches incude jokes, questions, agreeable statements etc…
This is a better approach is better than sending newcomers a bland welcome message. It shows real interest and immediately gets newcomers into the habit of interacting with people in the community.
As the Learning Pool team quickly discovered, you can't have a genuine interaction if you act like a corporate drone. You need to show personality. The more personality the better.