Friend-focused photo sharing app Retro snags $21M

发生了什么
Retro, a friend-focused photo-sharing app built by former Instagram employees, has raised more than $21 million in Series A funding.
摘要按规则整理自下方来源原文

Retro, a friend-focused photo-sharing app built by former Instagram employees, has raised more than $21 million in Series A funding.
摘要按规则整理自下方来源原文