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

Firewall are used to block websites, IM Tools, and Social Media Networking. Most network administrators at work, university or school deny access to certain websites, instant messaging or social networks such as facebook,

uTorrent is designed to use minimal computer resources while offering functionality comparable to larger BitTorrent clients such as Vuze or BitComet. µTorrent is the most used BitTorrent client. According to BitTorrent, Inc. there

  Some time you need to have change the existing key for Microsoft Office like “ When Office 2007 was RTM’ed and downloadable on MSDN I used Office Professional 2007. For my new course,