To keep track of competitors, it is important to first identify who they are. This can be done by conducting market research and using various tools such as Google AdWords and Google Trends. Once you have identified your competitors, you can then begin to track their activities. This can be done by monitoring their website traffic, social media activity, and online presence. Additionally, you can sign up for their email newsletters and follow them on industry-related news sites. By tracking your competitors, you will be able to stay ahead of the curve and make necessary adjustments to your marketing strategy.