Yeah, I read about this somewhere a while back... when looking at Amazon requesters' HITs I don't qualify for, I still sometimes see the Zappos review-editing HITs, but they've been closed-qual for years.
" Ipeirotis discussed his research showing that well-written reviews help sell products, even when the write-ups are negative. Atrocious wireless connectivity? Who cares, so long as Wi-Fi is properly capitalized. ... certain companies, Ipeirotis learned, are starting to understand the benefits of cleaning up their comments. Zappos.com now uses crowdsourcing to fix the grammar and spelling in the site's reviews. The specific tool Zappos uses is Amazon's Mechanical Turk ... "
I've seen articles before about the benefits of good basic spelling/grammar/punctuation in work... can't find the particular one I'm remembering, but here's another interesting one: Harvard Business Review: Good Grammar Should Be Everyone’s Business
" Professionals with fewer grammar errors in their profiles achieved higher positions. ... Fewer grammar errors correlate with more promotions. ... this data set clearly supports the hypothesis that good grammar is a predictor of professional success. The results are not surprising. As Wiens would argue, grammar skills may indicate several valuable traits, such as:
- Attention to detail: People who care about their writing demonstrate credibility, professionalism, and accuracy in their work.
- Critical thinking: Knowing how to structure a grammatically correct sentence is a sign that you can analyze and explain complex problems.
- Intellectual aptitude: If you are a native English-speaker and never learned the difference between “it’s” and “its,” especially given access to Google, an employer might wonder: What else have you failed to learn that might be useful? "