First spell check, then grammar check – now tone check?

Emphasis - first spell check then grammar check now tone check0Email is an integral part of our business lives, but it’s also a liability. Sometimes a simple attempt at being brief and concise can make you come across as curt and unpleasant. It’s far too easy to be overconfident about conveying tone effectively in email, and there’s no shortage of ‘when email attacks’ stories in the press.

So imagine there was a program that could save us all from ourselves and ensure we never sent an accidentally offensive email again. Step up ToneCheck, an email plug-in – commonly referred to as a sort of spell check for tone – from sentiment-analysis software company Lymbix. It was launched as a beta version for Outlook in July last year, and the general-availability version will arrive in the next few weeks. Beta versions for Gmail and Lotus are also in the offing.

Once downloaded, ToneCheck lurks below your emails as you compose them, and warns you – via five red bars of Tone Alert – if your tone is entering the danger zone. The phrases that ‘could be perceived as negative’ by a reader are picked out and deemed ‘concerning’, ‘upsetting’, ‘humiliating’ or ‘aggressive’.

Anyone who’s used a spelling or grammar checker will know they are far from infallible – and surely the subtleties of tone will be even tougher to put into an algorithm. Yes, it’s a great idea. But does it work?

In Lymbix’s marketing materials, a screenshot shows an email transformed from the ‘aggressive’ (‘what’s wrong that you can’t close any of these deals?’) to the acceptable (‘these deals really should be closing themselves’). Looks promising – that’s a relationship saved, surely?

So, does it work?

In real use, the choice of words and phrases that provoke the alert bars can be amusing or just plain mystifying. ToneCheck took great exception to the terms and conditions in the Emphasis signature (even our very name – Emphasis Training Limited – is ‘upsetting’, apparently).

(Right click on the images and open in a new tab to see them at full size.)

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Elsewhere, the word ‘shame’ was deemed ‘humiliating’, flight instructions containing the word ‘depart’ were ‘upsetting’, the phrase ‘no problem’ was ‘concerning’, and the greeting ‘Hi Rob’, ‘aggressive’. Either ToneCheck knows something about my motivations that I don’t, or it’s demonstrating its own (current) limitations.

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What’s the thinking behind ToneCheck?

The raw data for ToneCheck’s sentiment analysis is gathered from volunteers who join ToneADay, a website where short phrases are rated for their emotional effect. On the ToneADay site you can scroll through recent ratings – though be warned that it’s an occasionally surreal experience that might make you question the approach.

How, for example, is ‘get rid of baby’ ‘positive’? Other phrases also deemed ‘positive’ – ‘longer acceptable’ and ‘marriage alone’ – could easily be part of less-than-upbeat sentences (‘Your attitude is no longer acceptable’; ‘marriage alone isn’t enough reason for us to stay together’). Can tone really be accurately judged without context?

Chief Operating Officer at Lymbix Bob Huggard assures us that these ratings are moderated; and that on top of this ‘raw emotive context input’ there is ‘a sophisticated layer of statistics and NLP [Neuro-linguistic programming]’. But is it sophisticated enough to cope with context? After all, surely the only reason the program took a dislike to ‘no problem’ was because it ignored the (rather pivotal) ‘no’.

The verdict

ToneCheck still has a way to go. And on this front, the people at Lymbix are perhaps to be commended – they still treat it as a work in progress. ‘The system is always learning,’ says Huggard. ‘We can identify what we don’t know, and send it through the ToneADay process to collect the raw input. Also the new ToneCheck products allow the user to flag errors so we can correct [them].’

In the meantime, ToneCheck’s biggest recommendation may just be the placebo effect. If merely having it on your screen makes you more likely to slow down and be more careful about your phrasing, that’s already some sort of a success. But at this stage, just like spelling and grammar checkers, it’s no replacement for common sense (or a second pair of eyes).

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