The article claims that not having the label inside the field allows users to spot fields that have yet to be filled-in. In the next section the article claims

The article claims that not having the label inside the field allows users to spot fields that have yet to be filled-in. In the next section the article claims that by moving the label out of the field leaves room for helpful hint-type text within the field. My eyes almost rolled out of their sockets reading this article.