| the incomponent of the bow tie model can easily be crawled. |
| the out component cannot be crawled since search engines cannot find it. |
| two random nodes from the in component can have a path between them |
| two random nodes of the out component can have a path between them |
| if a new link from a node of the out component is created to a node of the in component both nodes will then be part of the strongly connected component |
| the strongly connected component is the intersection of the in component with the out component |
| the strongly connected component is the union of the in component with the out component |