We're all tech-savvy people but, for the masses, it's not true to think everything has moved online. If you're selling to the price-conscious and non-technical then they may well find you in an off-line directory.
In the off-line world, though, you need to be far more proactive about targeting and contacting new customers and what you offer them needs to be timely and relevant.
Target start-up businesses in the UK - www.michrome.com