It's up to you, obviously, but I found the pushiness extremely off-putting. You need to decide whether the core user activity is writing documents or inviting

It's up to you, obviously, but I found the pushiness extremely off-putting. You need to decide whether the core user activity is writing documents or inviting their friends. If it's writing documents, get rid of the invite clutter. If it's inviting friends, well, good luck, but the app is gone from my profile.