Like all new technologies, even time travel is open to abuse...
2m2013
6.2·2023
6.9·2021
5.8·1999
5.8·2008
8.2·2013
6.2·1993
6.1·2016
5.9·2025
5.9·1990
7.1·2008
6.0·2012
6.6·2018
7.4·2007
6.0·1994
7.9·2015
6.2·2021
7.0·1999
7.0·2022
6.3·2021
5.9·2021
