I write software that makes the world a better place.

alert([[]+1/!1][1^1][1>>1]+({}+[])[1<<1^11>>1]+(
[]+!!-[])[1<<1]+[/~/+{}][+!1][-~1<<1]+[([]+/-/[(
!!1+[])[1>>1]+(!!1+[])[1<<1^1]+(!1+[])[1|1<<1]+(
!!1+[])[1^1]])[1+(1^(11+1+1)<<1)],([]+/-/[(!!1+[
])[1>>1]+(!!1+[])[1<<1^1]+(!1+[])[1|1<<1]+(!!1+[
])[1^1]])[1^11<<1],([]+/-/[(!!1+[])[1>>1]+(!!1+[
])[1<<1^1]+(!1+[])[1|1<<1]+(!!1+[])[1^1]])[1^(11
+1+1)<<1]][((([]+/-/[(!!1+[])[1>>1]+(!!1+[])[1<<
1^1]+(!1+[])[1|1<<1]+(!!1+[])[1^1]])[(1<<1<<1<<1
)+1<<1]==({}+[])[1^1])*1)+((([]+/-/[(!!1+[])[1>>
1]+(!!1+[])[1<<1^1]+(!1+[])[1|1<<1]+(!!1+[])[1^1
]])[(1^11<<1)-1]==({}+[])[1^1])<<1)]+([,][~1]+[]
)[1-~1]+[[]+{}][!1.1%1][11111.1%11.1*111e11|!1]+
(/1/+1/[1<1][1%1])[1^11]+[[],[]+{}][1][+1]+(/<</
[1]+[])[1/1.1&1])

~ A message in JavaScript for my wife and 3 children :) Inspired by @VisioN and made compatible with Firefox and IE10 with more than a little help from @alpha123, @Cory, @Supr and @VisioN (and now you can build your own). Interested in playing SO PacMac?