Merge is essentially worthless right now, in fact, it's worse than that, it's destructive. It randomly deletes data. If you have one contact with a name and email and another with just an email, then it will delete the name. If you have a spouse, it will delete the spouse. If you have it assigned to someone on your team, it will unassigned the team member. You should merge all info and find a way to keep all data even if the same email is kept twice, under email 1 and email 2. You should also provide a way to