Default setting

Did you read the beta5 documentation? See the README.txt, section 3.

3. DEFAULT USER SETTINGS *
3.2 Default Page Settings *
3.1 Default Page Content *

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3. DEFAULT USER SETTINGS *

As of MySite 5.x.2, the administrator can now set up the user default settings
for MySite. It is highly recommended that you configure MySite's default
options for your users.

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3.1 Default Page Settings *

Clicking on the "Default page settings" tab will take you to the MySite
configuration page for user 0 (zero).

The settings and content that are established for user zero (0) will be used
for all anonymous users who visit http://example.com/mysite and for all users
who have not yet created a MySite page.

Further, when a user creates a MySite page, the user's settings will initially
match the Default Settings.

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3.2 Default Page Content *

As of MySite 5.x.2, the administrator can now select a default set of content
to show to all anonymous users and to authenticated users who have not yet
created a MySite page.

When a user creates a new MySite page, the default content set will
automatically be saved in their collection. Once saved, the user can change
his or her individual content settings to remove the default content.

To define the default content set, click on the "Default page content" tab
of MySite's administration page.