Come on CryptoVote, you've been online here plenty of times since people started asking what's up. If you're done with this then be a man and say it!
Sorry, I haven't checked this thread in a while.
I still plan to work on Sling and reboot it with a new chain using code from PIVX and Syscoin. I have been busy working on this contest:
https://herox.com/PatientIDChallengeWe co-won the concept round last year and made the final four in the contest. A prototype is due at the end of this month.
At the earliest, I will start the work in August.