Hi,
Thank You for contacting us, we are glad to help you.
Here are the following steps to add /remove fields in profile page:
1. Go to the main page by the profile grid (manage groups).
2. Click on the FIELDS of respective group to which the user profile belongs in the manage group section.
3. Click on the NEW FIELD to add new field to the profile. You can select the type of field and enter the various details of the field.
(Make sure to check the “display on profile page” option to view the field on profile pages of user.)
4. Save the field .
5. You can also categorise fields into different sections. To create a new section click on NEW SECTION button.
Regarding the Blog Pages we are launching the user specific blogging feature in upcoming versions.
Regards