From the homepage, click in the search box and enter a URL and click Think

Use the New Thought button to create a note.

The note appears in its contracted (arrow) state, ready for you to give it a title. Enter a title and press Enter or click the edit (
) icon.
The change is automatically committed to the database, you don't need to save it or submit it: any changes you make are saved just as soon as you make them.

Click the expand (
) icon to add more detail and explain your train of thought.