LIVE VALENTINE'S DAY 8-HOUR EVENT. AT&T SHOUT YOUR LOVE FROM THE MOUNTAIN TOP. When you love someone you want to shout it from a Mountain top. Using AT&T technology during the live event, real-life mountain men shouted tweets, Facebook posts, and texts live for 8 continuous hours. Videos were cut and posted during the day. Over 800 videos were sent back to people who submitted during the one-day event.