[thaumasiotes]

> TFA explains what DB cursors are and why they are faster than page offsets (because they skip DB entries)

Except that no such information appears in the article. Here's the entirety of the explanation:

>> Once you’ve been returned a cursor, you can provide it in your requests to act as a farther-along starting point within your data entries. The server is then able to efficiently skip all entries that come before your specified cursor value