What can you do on your commute?

Just looking up from the computer as the bus wisks me to work this morning, I noticed the following happening:

• Woman across the aisle from me knitting
• Several people reading books & magazines
• Friends holding conversations
• One or two people taking a nap
• People working on their laptops (doing stuff for work? Blogging? Reading web comics?)
• People reading books & magazines
• Some just staring out the window at the traffic, water, birds, mountians, etc

What do you do on your commute? Today I'm blogging and listening to music.