Chances are you've run into this situation. You've built a script, or a one-liner, to perform a specific task, but you don't have a way to thoroughly test it without hitting Enter. That moment before...
Updated Feb 21, 2019
Version 5.0
Blog Post
one more cmdlet which ignores -Whatif
Grant-CsTeamsMeetingPolicy -Identity $_.EmailAddress -PolicyName "Test Policy Name" -WhatIfThis just went and granted the policy to all the piped users.