Estonia’s robot graffiti artists

Estonian company SprayPainter is using smartphones to create artwork.

The technology allows an individual to choose an image and with the help of a smartphone, the Sprayprinter decides when to paint and when not to - creating a picture dot by dot.

The company is now thinking bigger and with the help of US-based company RoverTec, it is hoping to take its artwork to new heights with the use of robots.

See more at Click's website and @BBCClick.