21/03/2015 GMT

Click is at South by Southwest interactive conference this week, a place where hopeful start-ups go to test their ideas, if they go big here, chances are they'll go big in the world. Twitter is one good example. We are at the design museum checking out the Health tech and you exhibition. Plus Lj gets lost in Shibuya train station but thanks to some augmented reality on her phone and the beacons installed in the station, she is found again.