2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/10720I summarize both observational and theoretical developments in the last few years in measuring and understanding the large-scale velocity field of galaxies, with special attention to the bulk flow, or average peculiar velocity, within spheres centered on the Local Group.12 pages standard Latex (w/figures). Uses psfig.tex, included. To be published in ``Critical Dialogues in Cosmology'' ed. Turok. Uses AAS macros, postscript also available at http://www.astro.princeton.edu/~library/preprints/pop684.ps.gzAstrophysicstext