Impossible to tell how successful this will be in the future.
Here is alot for you too read though,
https://www.forbes.com/sites/omribarzilay/2017/08/21/3-ways-blockchain-is-revolutionizing-cybersecurity/#7fb094f12334
whitepaper: https://drive.google.com/file/d/0B5ffnLUWqKkMMG1YTXUtNjNvOGc/view
https://blog.icoalert.com/ico-alert-report-obsidian-77bfcf4c2b8
https://cryptoinsider.com/could-blockchain-startups-change-our-routine/
https://www.cryptocoinsnews.com/obsidian-set-disrupt-way-chat-nears-end-ico-raise/
https://thenextweb.com/contributors/2017/08/21/blockchain-can-make-social-networks-private-profitable/
https://btcmanager.com/messaging-is-on-the-verge-of-blockchain-disruption/
http://cryptopotato.com/6-ways-blockchain-revitalizing-social-networking/
http://www.coinnewsasia.com/can-icos-disrupt-venture-capital-in-asia/
http://www.livebitcoinnews.com/obsidian-achieves-milestone-towards-secure-anonymous-messaging/
wow.. a collection of articles about the project.. i will probably read this all.. to see what are the potentials of this project..
thanks a lot for the links, it will be easier for us to find news and articles about it.