Almost everyone has their mobile phones and gadgets. You could see almost everyone looking at their phones as they walk along busy streets. When you eat at restaurants, you could sometimes see people taking pictures of their food using their own mobile and gadget. At home, as young as 1 year old babies, even have their own mobile devices such as tablets and iPads (for viewing child friendly videos and games). As of now, almost everything is associated with mobile devices. As an online marketer, you just don’t want to focus on your viewers that use PCs.