In the last few years social media and online marketing have definitely grown and there are more and more users on social media websites and more companies paying attention to Facebook, Twitter etc. Below is a info-graphic showing some growth of social media compared to previous years.
There are also a series of pictures on Search Engine Journal regarding the growth of social media that can be found in the link below, http://www.searchenginejournal.com/the-growth-of-social-media-an-infographic/32788/.
With smartphones becoming more and more popular, this will also increase the popularity of social media and online interaction more then ever before. People will have 24/7 access to social networking sites such as Facebook and Twitter etc. They can also get updated news and watch new videos on YouTube at any time.
Recently, even US president Obama is acknowledging the vast online community, by hosting a Q & A session on Reddit. This goes to show that online social media and networking sites are becoming more and more prominent.