Here's What Gen Z and Millennials Love and Hate About Instagram and Snapchat

They enjoy both apps, but not equally

Since its debut in 2010, Instagram has accrued an impressive 300 million daily users. But with the ascendancy of 4-year-old Snapchat, which now boasts 150 million fans and counting, Instagram is looking over its shoulder. Their fierce rivalry for the hearts and minds of millennials and Gen Z touched off in late summer when Facebook-owned Instagram added disappearing stories to the mix, clearly mimicking a feature that's been key to Snapchat's success since day one.