1. Locket, a social networking app for friends, has launched a new feature called Rollcall and is seeing success with Gen Alpha users. Rollcall uses Apple's Live Activities feature to prompt users to share their favorite photos from the past week on their iPhone Lock Screen.

2. In its first week, Rollcall drove over a million shares and is now used by more than 25% of Locket's active users. Locket plans to expand Rollcall beyond photos to include video, music, favorite places, and prompts to help users remember moments from the week.

3. Locket aims to use its app to help users connect in both virtual and real-world settings, and is exploring ways to remind users to call or text their friends. The company makes money through a subscription model and has been profitable since last year.