Today 10 years ago I went to Poland to buy a Phone with pre installed #Firefox OS on. The Phone was a Alcatel One, so very shitty. Two years later I installed Firefox OS on my Nexus 5 instead.
It was a very good concept, but sadly rolled out on too shitty hardware so it never caught on.
Reminds me of the pre phone/tablet line with webOS and the way hp or better their short lived CEO Leo Apotheker killed it. That was such a shame great devices and great os.