Will Incandescent bulbs make a come back ?

Here’s a really interesting article produced by MIT, documenting breakthroughs they have made in creating a more efficient Incandescent bulb.
LED is still the best way forward for efficiency and is an ever improving technology with costs and effective life times always improving. Perhaps we have not waved farewell to the good old fashioned light bulb just yet.  Will it make a come back, will it be cost effective ?  We will certainly be watching closely.

http://news.mit.edu/2016/nanophotonic-incandescent-light-bulbs-0111