Introduction: Hacks #44-50
Hack 44. Infer Social Networks from IRC
Hack 45. Run an Infobot
Hack 46. Use PPF for Gaming Clans
Hack 47. Write a Plug-in for PPF
Hack 48. Getting Friendly with FOAFBot
Hack 49. Interrogate Trust Networks with TrustBot
Hack 50. Pass Notes to Other Users
