It’s a fantastic idea, and one which is, apparently, goingtotally viral right now.

“I think this app is a fun idea.

Friends noticed it and wanted to use it.

Cheerful afro young woman taking selfie with smart phone while standing by wall

Westend61 / Getty Images

Any app that allows you to have some kind of access to other’s screens offers a security risk.

Privacy-wise, the app requires access to your photos (of course) and your entire contacts database.

It also requires a phone number to sign up.

Locket app screenshots.

Locket

Remember, though, any app with access to your contacts can copy them at any time.

When you add a photo to the Locket app, it gets sent to everyone in your group.

So, no sending sexy pics to your better half.

And thats where things get risky.

Security

If you read the privacy policy, its obvious that Moss is on the level.

Its written by and for humans, not lawyers.

But Locket shows the difficulties of providing social data pipe features without compromising privacy.

Convenience often comes at the expense of privacy, even when handled by well-intentioned developers.

You already have the app, and you already have an existing online grid of friends.

All it needs is a widget.

“Copycat features from these platforms don’t always spell disaster for the original apps, though.

Instagram and Facebook are the opposite.

You’re likely following hundreds of strangers.

Social contact via our phones is essential for staying in touch and sharing our lives.