Google's Gmail service is offering a time-delay Goggles gadget that may help users avoid sending emails they may later regret. I applaud the thought behind it, but this concept needs more work.
Goggles lets you set a time window, during which you must break
through a gauntlet of relatively simple math problems before it'll send
your eMails. The idea is, a brief cooling-off period during which
you're using your brain and not your heart or hormones, will allow you
to see reason and let good judgment prevail.

When you attempt to send an eMail during the preset window, you'll be challenged to prove your coolheadedness.
Here are some things to consider.
Emotional volatility happens any time of day. I can see Goggles working for preventing some drunk-sends. And my own defenses and self-control are down at the end of a long, hard day. Would we be up for a breathalyzer to open up the firewall? A heartbeat monitor or
other physiological lock that scans me for appropriateness of my emotional state?
Multiple sources of regret. Inaccuracy and incompleteness are more often the reason I wish I could take back a Send. I created an Outlook macro that scans my outgoing messages for the word stem "attach" and produces an interstitial that makes me answer "Did you remember to attach?"
Appropriate communication is a skill we all need, anyway. Extrapolate a world where we solve these problems by building controls into software and devices, and relieve humans from imposing self-control and judgment. That isn't a world I want to live in.
It's not that I don't recognize the need. When I worked in a cube farm,
members of our tight design team (the black berets) learned to read one
another's faces and/or epithets and intervene when necessary.
I shout over to Tom: "That jerk! Can you believe this eMail?! Read what he said. Now read my response."
And he says: "That sucks! You know you can't send that eMail, though. Let's talk about what you can say, though. You'd better call, but wait until you calm down." Job saved. Disaster averted.
It helps to write stuff out, vent, and think through my position before responding. But when that much is riding on a single eMail, I'm better off going to see the person or calling.
Choose Your Medium
A wise supervisor once taught me these quick guidelines.
- Low emotional content = remote, asynchronous channels are fine. EMail, voicemail.
- High emotional content = Needs direct, synchronous communication. Visit, schedule a meeting or pick up the phone. Don't leave voicemail, unless it's "Please call me as soon as you get a chance."
Salvos over the firewall
I've learned to rely too much on the screen, the barrier, of asynchronous communications like voicemail and eMail. They're great for marshaling arguments, scoring points, and talking without being interrupted. But these one-way missiles aren't the best channels for building rapport, or gaining a full understanding that includes emotional components and subtext.
When it's important to be able to communicate very well, be able to correct assumptions, soothe hurt feelings, make yourself completely understood, and truly seek understanding and dialog, nothing beats a good synchronous communication like face time or phone calls.