1. Some artists are in denial about Twitter. Artist and blogger Austin Kleon explains the ways creative types can really make a living today. Hint: They need the Internet. 

2. A runner who cheated during the Boston Marathon ended up changing marathons forever. Engineers had to figure out a better way to track runners to stop others from cheating in the future. 

3. Video games can help show how hard it is to solve conflicts in the Middle East. Drew Davidson of Carnegie Mellon explains the potential and limits of gaming.

And this week's music:

The Cranberries: Just My Imagination

The Temptations: Just My Imagination (Running Away With Me)

Electric Guest: This Head I Hold