Searchcaster

How long will things last? - website ~ months - software ~ yrs - human made objects ~ 10^1 yrs - digital data ~ 10^2 yrs - geological ~ 10^3 - biological ~ 10^4 - evolution of species ~ 10^5 - evolution of planet ~ 10^6 - evolution of solar system ~ 10^7 - galactic, death of sun ~ 10^8 - heat death of universe ~ 10^9