Slingshot, Facebook's weird ephemeral messaging app, is actually getting better and more useful with each update.
After releasing a major 2.0 version rebuilt from the ground up and enriched with such new features as private reactions, photo filters, drawings, emojis and notifications on a per-contact basis.
Today's update keeps smoothing out the remaining few rough edges.
For instance, you can now switch smoothly between your iPhone's front-facing FaceTime camera for ‘selfies’ and the iSight camera out the back for ‘fronties’ by swiping left and right.