apple wallet have capability to store a drivers licenses and spotify rolled out blend which selects songs to peoples tastes in music at the same time. el salvador has made crypto currency bitcoin legal tender amid protests and technical glitches. the el salvador government says using bitcoin could save money sent from abroad but some are worried about the stability and ease of adoption. this was illustrated on the day as bitcoin�*s price crashed by 20% at one point. two robots have been deployed in singapore to discourage poor social behaviour. they use cameras to detect people smoking in the hope to admit prohibited areas, flouting covid measures are packing bags improperly. and finally, mit turned on a massive high—temperature superconducting muppet called spark as part of its research into fusion power.