It’s easy to just hit the reply-all button. Perhaps a little more thought might make our email just a tad bit more manageable. Perhaps a flow chart would help? Big thanks to Val Head (@vlh) for helping me spiff up this flowchart that might help you decide if you really need to reply all?
When should you Big R or Little R? Reply All or not? Here's a flowchart you should reply with the next time you're stuck in a Reply-All pile of ... :/