Numerous issues were affecting IE10 and below because we were using ECMAScript 5 features that were not supported. We reined in our horses and now use IE friendly Javascript instead.

Numerous issues were affecting IE10 and below because we were using ECMAScript 5 features that were not supported. We reined in our horses and now use IE friendly Javascript instead.
Long contact names were breaking onto two lines which messed up the uniformity of the list of contacts. No longer!
An empty address book was raising an exception when displaying no contacts. This is fixed too.