No whitepaper.

Only person who saw Teamview was a CinniCoin Dev (Community manager not a coder), the pictures posted show nothing besides a Chat Box.

Planned public Teamview today was not followed through on, no comment on reason why.

Reduction in PoW duration.

http://www.cryptoarticles.com/crypto-news/2014/5/24/cinnicoin-updates-x11-mining-switching-to-xc-extra-developers-hired-for-encrypted-messaging

I'm not saying this is a scam, but it sure does raise some red flags. I'm not here to deter anyone, just to keep people informed.