Yes, you can hide sections of your profile so they're not visible to others.

To hide a section, click the Edit icon ("...")in the section you wish to hide, then click Hide. The section will turn gray, indicating it is hidden.
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If you decide later you'd like to show the section, just follow the same steps but click on Show.

You can also edit the sections within your profile as well. Click the Edit icon ("...") of the section you wish to edit. Simply click on the pencil icon to edit and/or update the information. You can edit your information at any time.