Five good reads to kick off your week.

The founders of Instagram are walking away from Facebook. What's next for them - and for the photo sharing app?

Facebook is in decline and the chat apps are rising. But it's more than algorithm changes, but a shift in people's behavior - how do we adapt?

New formats are emerging within the neglected Instagram grid - and they're not ones promoted by the Facebook-owned social network.

How - and why - do people hack social media accounts?

This month has seen a spate of connected Instagram account hacking - with no clear objective. Why?