While I’m generally not a fan of plugging startups in Comments, my particular company is rather relevant. Wordzen employs live editors to reply to your email for you, and I bet we do a better job than Google’s algorithms. www.wordzen.com

This is indeed a delay rather than an undo. In the real world of email, a true “undo” is impossible, simply because of the nature of how SMTP works. I would like to take this opportunity to tell you about a Gmail plugin that I launched a few months ago though. It’s called Wordzen, and my team of wordsmiths will draft…