What's your general field? B2B, especially for big industries, tends to call for networking and possibly cold calls. Individual sales tends to call for advert

What's your general field? B2B, especially for big industries, tends to call for networking and possibly cold calls. Individual sales tends to call for advertising with a focus on high relevance sites. Social or two-sided markets (think credit card companies and users) tend to call for narrow early focus via outreach to online or physical communities. This simulates widespread use by creating a regionally high use space. If you're in a specific field (e.g. online cello sales), do outreach to things like relevant forums and subreddits. You'll get targeted use which will provide quality feedback, hopefully. If it's a broad spectrum project, buy up relevant and cheap(ish) ads in several venues. Push use with some definable group that you can interact with directly, get emails via a newsletter, etc.