Get Online, Early. Don't wait for everything to be perfect, before creating your startup's online properties.
Create a Landing Page & Run Test Ads. Introduce the concept and test the level of interest among your target audience, by running a trial campaign.
Create Social Media Presence. Again! Don't wait for perfection! Start off with Facebook and Twitter accounts and run trial ads.
Determine the most effective online medium for advertising. Run ad campaigns on Google, Facebook and Twitter. Compare costs and effectiveness.
SEO requirements.Build SEO requirements into your website, from early stage by taking care of structural aspects.