Like others have said, it depends on your target audience. It also depends on how you best present your products or services and value to that targeted market. It used to be, TV had only three local stations. But now, there are hundreds of networks to choose from. Like TV, there is a growing number of social media platforms and it's anyone's guess as to which one consumers or businesses prefer on any given day. Research your prime market to learn which media choices they prefer and don't forget to research other media options like, radio, print, direct response advertising, lead groups ( like BNI), networking at trade shows, cold calling and drop-ins. Getting good leads means doing good media research to fit what you sell and who you sell it to.