Sentence:  Technology is developing so quickly that it occasionally <WSD>leapfrogs</WSD> over earlier technologies. For example, many areas of Australia did not have telephone service because they did not have a grid or wire system to deliver the signals. However, when cell phone technology became implemented Australians quickly incorporated this technology and <WSD>leapfrogged</WSD> over the grid system telephone requirements. 
Meaning of the word marked with <WSD> tags:  To overtake.