Your homepage is as clear as mud. It says "Delightful ... annotations" and "drag in a presentation or click anywhere" and finally "see a sample" But it doesn't

Your homepage is as clear as mud. It says "Delightful ... annotations" and "drag in a presentation or click anywhere" and finally "see a sample" But it doesn't tell you WHAT you actually do. You could easily add a couple lines of text with an explanation, without adding any clutter. Links to a FAQ and More Info and About would be helpful. further down you have "click here to upload a file" WHY would I want to upload a file to you? You need to let people know