This is rather interesting, given that Mozilla had recently adopted the lead developer from the Mozilla-based IM client Instantbird to incorporate chat into TB1

This is rather interesting, given that Mozilla had recently adopted the lead developer from the Mozilla-based IM client Instantbird to incorporate chat into TB15. Knowing the software is deadpooled, I wonder in hindsight if that was a last-ditch effort to stay relevant or if that effort helped highlight the inevitable decline/futility of desktop-based email.