Do you use RSS? Really Simple Syndication is a super convenient way of tracking your favourite news and general "goings on".
When Internet Explorer releases version 7 later this year it will include the ability to read RSS… but if you want to be one of the cool kids, you can enjoy the benefits now with Firefox. Need a quick primer on RSS? Here's a great resource.
Firefox can take advantage of RSS in 2 ways.
A quickstart guide for GPG encryption using Windows Privacy Tools (WinPT) for Windows users.
Firefox is one of my favourite peices of software. Fast, secure, and most of all, open source. Even though I've been using it since its "beta" days, I continue to learn new tricks. There are many lists like this on the net, but I haven't found this stuff collected in one place before, so here are some of my favourite Firefox tips. I decided to stop at 8... I know 10 is cooler, but adding 2 more would take "filler".