On this blog over the last three months, Twitter was the third-most significant source of traffic, referring almost $30,000 worth of traffic. ($30,000 is what we would have had to pay to buy a similar volume of traffic from Google via
Of course, this type of referral traffic doesn't happen without work. You can't buy $30,000 worth of visitors from Twitter. You have to build a network, engage with that network, then share your quality content with that network. And even if you do that, you won't see returns overnight.
But if you put in the time, make Twitter a part of your daily diet and engage with your network, Twitter will help keep your marketing strong.