An optical waveguide is provided comprising a non-solid core layer surrounded by a solid-state material, wherein light can be transmitted with low loss through the non-solid core layer. The filter basket has expanded metal side and bottom walls which are adapted to pass liquid and catch particulate material larger in size than the wall openings. In the preferred embodiment if the sender message handler Internet Protocol address does not match the sender’s email address, the sender’s message is automatically rejected. Content to share with a second user device are selected from among the associated content based on a predetermined condition.