I experimented with it on one of our A/B tests on one of our company's Partner Sites. This site was just a test for desktop at the time, thus wasn't even made responsive.
The idea was from http://tympanus.net/Tutorials/NaturalLanguageForm/
Awesome work on the tooltips on that first link. Thanks!
If you look up the UI pattern Natural Language Form, you should get some results.
Natural language form, that's what i was looking for! Thanks for your comment.