Today marks the fifth time that Metrolosangeles has chosen to use Twitter:

Shape up for summer with fitness expert Kathy Smith … on the Metro Red Line stairs. http://youtube.com/watch?v=8Px8Q5p1TaQ

What can we learn from this? Your train may not get you to the Westside, and who knows why your damn bus is late. But, at least you’ll be in great shape!

Thanks, Metro!