WYSIWSG matters a lot for user engagement. I noticed that many of my colleagues just do the essential in SharePoint because it feels a bit like configuring a system rather than editing a page. SAP Jam on the other hand makes editing more like editing a document and thus improves user engagement. In fact it is so easy to set up an SAP Jam group for a topic that Jam groups are proliferating like rabbits everywhere. Sometimes I think there should a limit on the number of Jam groups a person is allowed to create.
The Edit screen in Jam feels like editing a Word document