Dear GLIMS colleagues,Because we are a network of colleagues, I think it is better that we look out for each other on matters such as systematic internet security problems of any large scale. The following analysis of Heartbleed-related vulnerable social networking, email, and other accounts indicates some do not need password changes, but others, like Gmail and Facebook, probably do. http://mashable.com/2014/04/09/heartbleed-bug-websites-affected/ Jeffrey S. KargelDepartment of Hydrology & Water ResourcesUniversity of ArizonaTucson, AZ 85742 USAEmail(1) jeffreyskargel@hotmail.comEmail(2) kargel@hwr.arizona.eduMobile phone: 520-780-7759www.glims.org