If you are wondering why twitter is inaccessible from Thursday morning answer is Twitter hit by DOS (denial of service) attack. Official twitter blog confirms the attack. Official words from twitter blog ” On this otherwise happy Thursday morning, Twitter is the target of a denial of service attack. Attacks such as this are malicious efforts orchestrated to disrupt and make unavailable services such as online banks, credit card payment gateways, and in this case, Twitter for intended customers or users. We are defending ...