It has been reported that Microsoft is making an investment in DNA data storage which is considered as  a cutting-edge technique that takes advantage of genetic material’s durability and efficiency. It has joined hands with Twist, which is a San Francisco-based biotech startup, uses machines of its own devising to mass-produce DNA.They claim that  "A single gram of DNA can store almost a zettabyte of digital data". This area of synthesizing DNA for data storage would open up an entirely new market. It would be interesting to see how they will overcome the challenge to get down the costs as comparaive to  electronics.

Read more at :-http://spectrum.ieee.org/the-human-os/biomedical/imaging/microsoft-buys-into-dna-data-storage