This issue is happening about 1-2 weeks ago, since the last Facebook maintenance. Remember there's a lot of users with Windows Phone 6.x, You can't just focuse on Windows Phone 7 and put aside your other products!
You can search on the internet and you will see many people complaining about the same problem!
The e Health First is an IT-platform to support decision-making in the field of health management, longevity, diagnostics, the prevention and treatment of common diseases for non-specialist users, medical specialists, researchers and business, based on blockchain technology, machine learning, natural language analysis, neural networks, big data, clinical epidemiology, evidence-based medicine and telemedicine. At the core of the entire platform is a database - a knowledgebase - of medical literature.
The platform currently includes two apps that function by using AI and natural language processing to quickly reference necessary medical information from this literature.
Services can be paid for in fiat or tokens, but EHF transactions mean a 30% discount for the user.
EHF token holders, in proportion to the number of tokens that they own, will be able to vote regarding certain decisions about the platform.