bostonpython    1109 members,  53% <3mo  68% <6mo
djangoboston     397 members,  43% <3mo  60% <6mo ( 255 overlap, 22% of us, 64% of them)
sfpython        1118 members,  27% <3mo  54% <6mo (  10 overlap,  0% of us,  0% of them)
nycpython       1167 members,  42% <3mo  60% <6mo (  22 overlap,  1% of us,  1% of them)
javascript-2     707 members,  31% <3mo  57% <6mo ( 158 overlap, 14% of us, 22% of them)
jQuery-Boston    452 members,  68% <3mo  97% <6mo (  82 overlap,  7% of us, 18% of them)
bostonappengine   99 members,  59% <3mo  98% <6mo (  56 overlap,  5% of us, 56% of them)
boston-java      843 members,  31% <3mo  42% <6mo ( 113 overlap, 10% of us, 13% of them)
bostonphp       1920 members,  47% <3mo  66% <6mo ( 159 overlap, 14% of us,  8% of them)
mysqlbos         766 members,  13% <3mo  24% <6mo (  98 overlap,  8% of us, 12% of them)
CustomMade-Hack   22 members, 100% <3mo 100% <6mo (   6 overlap,  0% of us, 27% of them)
Boston-Startup-  319 members,  26% <3mo  39% <6mo (  33 overlap,  2% of us, 10% of them)
Rails-Boston     195 members,  42% <3mo  73% <6mo (  43 overlap,  3% of us, 22% of them)
Lean-Startup-Ci 1498 members,  46% <3mo  71% <6mo ( 111 overlap, 10% of us,  7% of them)
newtech-73       523 members,  54% <3mo  86% <6mo (  73 overlap,  6% of us, 13% of them)
OpenCoffee-Camb  987 members,  23% <3mo  41% <6mo (  74 overlap,  6% of us,  7% of them)
Boston-Mobile-A  226 members,  38% <3mo  58% <6mo (  28 overlap,  2% of us, 12% of them)
The-Cambridge-S  538 members,  27% <3mo  46% <6mo (  82 overlap,  7% of us, 15% of them)