Why Apple’s iOS 18 update for iPhone has social media start-ups ‘worried’

Apple’s recent iOS 18 update has introduced a privacy feature that’s causing alarm among social app developers. The change, which gives users more control over their contact sharing, could potentially hinder the growth of new social networking apps.
The update modifies how apps request access to users’ contacts. Instead of an all-or-nothing approach, users can now select specific contacts to share with each app.