We bring you a comprehensive buying guide on and compare 30 ultrabooks and the latest thin and light laptops. Also, presented are case studies on how Indian SMEs are adopting cloud computing, useful advice on how you can make your social media campaigns effective, alongwith the ways in which you can start with mobile app dev elopment. Indepth comparisons: 5 popular online shopping sites, 4 popular mobile web browsers, and 4 internet security suites.