Developer reply by wang opera
Rated 5 out of 5 stars
Version 0.3 works OK :)
But I cannot understand - Options - Advanced Settings - Time Settings...
You're not the only only who can't understand the option dialog :-)
I should make it more clear by providing tooltips or help pages, however I need more time for that.
In short, the time settings are control when this addon will activate.
To create your own collections, you must have a Mozilla Add-ons account.