The provided information does not directly relate to the company "Sweet" with the URL http://www.sweet.io and LinkedIn URL http://www.linkedin.com/company/sweetnft. However, based on typical company research, a company named "Sweet" could potentially focus on digital assets or NFTs given the "NFT" in the LinkedIn URL. Without specific details, it's challenging to define their services or target audience. Typically, such companies might offer digital collectibles, blockchain-based services, or related technology solutions. Their unique selling proposition could involve innovative NFT platforms or user-friendly digital asset management tools.