I have had a firefox account for the past 1 year I have browsed a lot of sites in that 1 year and had a few bookmarks too. I used to regularly sync the account too. Today after a normal browsing session I closed firefox. After I opened it up again it had automatically signed me out. When I signed back in, I saw that my whole history had been wiped, everything from the past 1 year. Now there is no trace of it. Please tell me what might have happened. Everything is gone. I can provide my account name and details. Please help