1. Video player with filmstrip of thumbnails shown below playhead.
2. Clicking "Select Clip" drops clip markers to the left and right of the playhead position and displays emailing/linking/preview options. Playhead snaps to whatever marker is in focus when adjusting clip length. User may also click and drag arbitrarily to select a clip area.
3. Clicking the "Link to Clip" button copies a link to the video with start and end markers as part of the query string.
4. The permalink for the shared link to the clip loads the full video, but only plays the clip segment selected in the prior steps.