add rcharts with ramnath
add space number
add first session
blank
schedule
left blank
change 11:30 to 11:45
update schedule
Merge branch 'master' into gh-pages
add block 3
more twitter handles
add block 4
typos
add space numbers
space placeholders so i dont forget
we are almost out of coffee
update block 5
last session
add google+ link
Merge branch 'master' of github.com:visfest/visfest.com