Aruba acquired by Hewlett-Packard provides access management, network infrastructure and mobility application solutions for mobile enterprise networks.
AT&T is a US-based telecoms company, and the second largest provider of mobile services and the largest provider of fixed telephone services in the US.
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.