The way it is, was, and will be.
Smoyak
S A
SA
D005544:Forecasting; D006801:Humans; D007255:Information Services / Q000639:trends*; D020407:Internet / Q000639:trends*; D010506:Periodicals as Topic / Q000639:trends*; D011643:Publishing / Q000639:trends*; D013673:Technology Assessment, Biomedical