My blog chetangole.com currently using,
Google Adsense [Google privacy policies]
For E-mail updates
Feedburner [A Google product]
So i recommended you to check Privacy policies of each of above listed programs to see what exactly they retrieve from your side.
Most probably these all sites will use your IP address, cookies, e-mail IDs to serve you the best web experience. All above sites are popular and have clear collar and will give best to maintain your privacy.
Any personal information you provide to me including and similar to your name, address, telephone number and e-mail address will not be released, sold, or rented to any entities or individuals outside of TheChetan.com. For most of the purposes I am using branded services (as listed above).
chetangole.com have a strict no spam policy and do not send you any emails, unless you subscribe to receive email updates.