Auto sharing

i want to make automated sharing robo for my blog. i have blog more then 300 pages and it content and pages can increases and decrease anytime [login to view URL] kindly make sure this. know point is i want each page share in google+,twitter,facebook. 24 hrs simple i install it and it start sharing. i will put all google+,twitter,facebookpass in advance so no issue come of limitation for sharing.