Continue to communicate with clients and prospects. From one on one meetings to online courses, product launches etc. for huge online crowds. Check out the free trial.
Whatever your product, an auction often is a very efficient way to sell your product. Set up your auction, if you do not sell your product it does not cost you anything.
Or combine the above with your presentation in your online exhibition stand, your brochures, products, press releases, videos, link to your website, your whatsapp etc. Check example