Yes, of course, the dress is in fact black and blue; that was discovered a few hours before the picture went viral, and it isn't news at all.
But then, if you have any kind of an inquisitive mind, instead of saying "lol this is like super pointless, why discuss it", you would notice that it still went viral, despite having a clear answer anyone could point to. This should have reasonably stopped before starting, but it didn't.
Why? because it was never about the colour of the dress, but how you see it, and how attached you are to the way, your particular way, of seeing that dress. It was never about reality, but about perception; your perception, and how it sometimes it clashes with others's, even in such a simple, basic thing as the colour a dress seems to have.
Now look at the big picture; all of humanity's existence has been one long, continuous strand of disagreements, of fighting for different ways to view the world, or rather, for defending your way to view the world, or attack others's. The jewish exodus, christianity's rise to power, the crusades, WWI, WWII, the war on terror, there are so many to count, and I'm only including these so you can realize what is the meaning of this; this dress not only proved that humans can automatically colour correct images (just like a camera does), but in completely different ways, but it was also a glimpse on why humans fight each other, and have always fought each other, not to mention it showed how reality itself is merely a construct of your senses, argument already brought forth by goddamn socrates/plato in ancient greece, and now made completely provable and simple to the general public, and overall, a perfect example of how deep difference of opinion cuts in humanity's collective conscious; for more than two days, people all over the world argued "I see it white and gold" "but it IS black and blue, like I see it, so I'm right" "Yes, but I still see it white and gold" "uh, guys, I see it white and blue" "YOU! shut up!" "Ha! I can see it both ways" "Well, look at mr. important here. Choose a side, sophie" "I see it yellow and brown, guys" "shut up, you're colourblind, jason.". Everyone held their view of the dress as the True One, as you would hold your god, or your choice on designer bags, while everyone missed the point that they don't need to argue over it, because everyone was right; the dress, or rather the image of the dress (and the real dress is, to you, still an image, a sensory image) is, to you, the colour you see it, which may match or not with how others see it, and overall, you don't need to understand, just to accept.
I actually consider the fact that there hasn't been any discussion here more worrying than if it had been a big argument, because it didn't stem from understanding, but out not seeing the big picture, of not drawing your own conclusions, and not analyzing things.
Because if you had, you would have seen that the dress is so obviously white and gold, people.