Yes, still link building is working. But after the latest update you must be very careful while building links. Please make sure that your links look natural. Only natural link building will get the price.. If you link looks spam to the search engine then you are going to get the negative price for that. Try to build link through guest posting. This is the best way of link building so far. You can also submit your blog to some renowned directories. This will also help.Just do not go for the pr while building links. Also check the Domain authority and the strength of the website. Some websites are having good PR but the webpage strength is not good. So, please check all the parameters before building links. Checking how many inbound links and outbound links from the webpage. The webpage is connected to how many .gov or .edu domain. Then you will get a clear idea whether you will build link with that website or not. Finally i want to tell that yes, still link building works.