Could you please explain what Closer is and how it operates? Closer is a communication platform designed for interacting with potential customers. It provides various features such as text chat, audio and video calls, presentation mode, co-browsing, and rich messaging capabilities all within one tool. Additionally, it offers advanced message routing to ensure that the right messages are directed to your inbox. You can also share and receive photos, videos, and other documents with your customers, as well as schedule meetings and generate leads. The software is utilized by companies of all sizes, ranging from small to large.