I regularly use 3-4 different computers, from time to time also guest operating systems running in virtual machines. For years I have been thinking it would be great if you could bring your current Firefox status with you to a different computer, for example between a Mac and PC. After

Moving to a house from an apartment made me realize you have new things to consider. – How much money is spent on heating? – We have a 45-year old, huge water boiler in the basement, how much does it cost to keep it running? Would we save money by replacing it