The tagging works similarly to Facebook tagging, but it is limited to the original photo taker, disallowing for third party tag suggestions. The new profile section will not be publicly visible until May 16, allowing users time to approve tagged photos and to adjust privacy settings. In addition to tagging people, Instagram users can also tag specific brands.
Instagram is a free app that can be downloaded from the App Store. [Direct Link]Article Link: Instagram Launches 'Photos of You' Feature, Lets Users Tag People