Hootsuite is a social media marketing tool for businesses to manage, schedule & track the engagement of their social content across all social media profiles.
TweetDeck is users personal browser for staying in touch with what is happening now, connecting you with customer contacts across Twitter, Facebook and more.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.