The sun is shining. Obama just made a nice little speech on the radio and is now followed Katy Perry's Fireworks. Life is great
You feel a vibration. It's your new smartphone in your pocket. You got a poke from a friend on facebook. You poke them back. It's the only courteous thing to do.
Bzzt, bzzt. That friend sent you a message. It's a link. You click it.