Social Marketing : How to get best out of Twitter
Twitter is one of the Giant Social Network people use to quickly get to know about various things around the world.
Read this further if you are looking to get Best of Social Marketing on Twitter by using Twitter Cards, these are set of some meta tags added to the html pages of the links which are shared on twitter. When these twitter specific meta tags are added people will be able to see snippets of the content on the link in the tweet itself.
Here you can read more about twitter cards and get them working.