The document discusses social media and QR codes. It defines social media as interactive platforms for sharing user-generated content and lists common social media types like Facebook, Twitter, blogs and bookmarking sites. It explains that businesses need a social media strategy to grow awareness, engage customers and provide service. QR codes are defined as scannable barcodes that can link to websites, make calls or send messages from a mobile device. The document suggests ways for businesses to use QR codes in marketing.