Social media marketing has also become very efficient and mobile. What is social media marketing for mobile devices? Cell phones and computer tablets, also known as touchpads, have been used many times for these websites. They prove to be very efficient when you are away from your computer or laptop. This makes marketing easier than before. Imagine a person who is going shopping and has their phone on them. If they are looking for some sales going on at Target they can simply go to their Facebook or Twitter page and look there.