The word "phablet" has always been a bit of an awkward word. It was created because there is an indistinct grey area between the acceptable size for a smartphone, and the acceptable size for a small tablet. Not everyone is a fan of the word, and Nokia wants to find out what your feelings are on the term. It seems Nokia isn't sure if people like the word, or even know it...
Source: http://www.phonearena.com/news/Before-launching-the-Lumia-1520-Nokia-wants-to-know-if-you-like-the-word-phablet_id47436
Source: http://www.phonearena.com/news/Before-launching-the-Lumia-1520-Nokia-wants-to-know-if-you-like-the-word-phablet_id47436