Idea: Make your product stickier by encouraging users to invite their teammates during user onboarding.
Details: If teamwork is vital to your new user learning to love your tool, then help them do it right away. Incorporate a collaborative action into your onboarding checklist.
Dropbox knows that users who share Dropbox with their friends are more engaged and find more value in the tool, so they cook it right into the first few onboarding steps—new users must share a file to progress to the next stage.
This could work now that we allow people to add their own users