A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Magnoliophyta, also called angiosperms). The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs. Flowers may facilitate outcrossing (fusion of sperm and eggs from different individuals in a population) or allow selfing (fusion of sperm and egg from the same flower). Some flowers produce diaspores without fertilization (parthenocarpy). Flowers contain sporangia and are the site where gametophytes develop. Flowers give rise to fruit and seeds. Many flowers have evolved to be attractive to animals, so as to cause them to be vectors for the transfer of pollen.

 Ten years ago we launched AdSense to help publishers earn money by placing relevant ads on their websites. I can still remember the excitement and anticipation as AdSense went live that first day. Our small team huddled together in a cramped conference room, and right away we saw that publishers were as excited about AdSense as we were. Fast-forward 10 years, and AdSense has become a cor