MissingLettr.com opened for business today, at least from a beta standpoint. Their Twitter handle @missinglettr has gotten a lot of tweets of those who have signed up for the beta launch.
Meet the blogging platform your startup is going to love. Natural, automated marketing and increased blog conversions while you focus on writing great content.
And we’re open… reserve your place in the queue and be one of the first to use @missinglettr. Better blogging for startups and brands.
— Missinglettr (@Missinglettr) June 6, 2014
From a domaining standpoint the domain MissingLettr.com was register on May 29,2014. MissingLetter.com was regged in 2013, the domain is a Namecheap parked page. Coincidentally both registrants are in the UK.
MissingLettr is based of England.

