anchor.diff:  ,lightning talks?,,2,2,4,80,,
   ,,,,,,880,,
   ,,,,,,44 slots,,
  -,if we permit 10x40min talks,,"leaves max 22x20 min talks, not counting lightning",,,,,
  +,if we permit 10x40min talks,,"leaves max 22x20 min talks, not counting lightning",,,,,
positive.code: L72: D. Latornell: Bloomcast - Python Facilitating Operational Oceanography
  L86: A. Dubrau: A 65-Year-Old Map Nobody Has Ever Seen",B19: D. Scott: A Flask of full-text search with PostgreSQL,,,,
  Saturday,17:20,10,break 10,break 10,break 10,,,
  Saturday,17:30,45,K106: Opening keynote (Hilary Mason),,,,,
  Saturday,18:15,15,M:15 Closing Messages,,,,,
  Saturday,18:30,,SEEYA,,,,,
  ,,,,,,,,
  
negative.code: Sunday,9:45,25,M:25 Morning Messages,,,,,
  Sunday,10:10,45,K105: Keynote (Karen Brennan),,,,,
  Sunday,10:55,10,break 10,break 10,break 10,,,Sponsor + coffee
  Sunday,11:05,20,A98: A. Gaynor: Why Open Source Works,B42: V. Sabino: Exploring the Google Analytics API,X:100 Open space,,,
  Sunday,11:25,5,,break 5,,,,
  Sunday,11:30,15,,B11: C. Hawco: Python and Hadoop: Big Data Application Development with PyCascading,,,,
  Sunday,11:45,5,break 15,,,,,
  