1.   BOOM-AND-BUST CYCLE REVISITED The technology boom and bust of the last few years has been a breathtaking ride, but it is hardly unprecedented.

2.   It was a breathtaking ride.

3.   The technology boom and bust we have lived through the last few years has been a breathtaking ride, but it is hardly unprecedented.

4.   The technology boom and bust that we have lived through the last few years has been a breathtaking ride, but it is hardly unprecedented.