scdeimos writes: Mozilla has announced the release of Thunderbird 5.0b1, the first in their new rapid release cycles. According to the Thunderbird Beta FAQ, Thunderbird 4 was skipped as its version is now tied to the underlying Gecko engine.
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
-- Isaac Asimov