Social sharing is an important step for a starting site as it does not have much backlinks. So for the influence of a site social media is very useful so using it will be good in blogging. Usually seo experts suggest 3 important social medias which helps the development of a site. They are the following.
1) Facebook:- Creating a page for the blog will help the site to access more popularity and also the contents will get more views by sharing it in the fan page. Adding facebook pluggin in blog will help the visitors to track the site through facebook. It is very easy to get fans in facebook rather than getting visitors for a site so use of facebook fan page is good option.
2) Twitter:- An amazing social media which will help the development of a site. There is no need to create an additional account for the site, just share the contents through share button. Provide a tweet keywords (#keyword) also will help the twitter users from different places to track the content. For eg: if the content is related to google then when you share the content give a keyword #google. This will provide a way to reach greater audience. And also through tweets the webmaster can create backlinks from twitter itself.
3) Google+ -: This is the bloggers favourite social media as it is google suggesting it. This social media will help the webmaster to connect their audience through their gmail. Using Google+ is also very useful for creating backlinks from google itself. This social media is somewhat same as the twitter. So that this is very useful.
With these social medias one can make thousands of visitors daily according to the skill of the webmaster. Using social medias for blogging is not only help to get visitors but also it will help the webmaster to create a social backlink also which is very important for a site. All the best.