Password manager managers over desktop-based versions are portability (they can generally be used on any computer with a web browser and a network connection, without having to install software), and a reduced risk of losing passwords through theft from or damage to a single PC – although the same risk is present for the server that is used to store the users passwords on. In both cases this risk can be prevented by ensuring secure backups are taken. The major disadvantages of online password managers are the requirements that the user trusts the hosting site and a keylogger is not on the
Most recent common ancestor all of the modern population. Due to pedigree collapse, modern individuals may still exhibit clustering, due to vastly different contributions from each of ancestral population . Most recent common ancestor In biology and genealogy, the most recent common ancestor (MRCA, also last common ancestor (LCA), or concestor) of any set of organisms is the most recent individual from which all the organisms are directly descended. The term is also used in reference to the ancestry of groups of genes (haplotypes) rather than organisms. The MRCA of a set of individuals can sometimes be determined by referring to an established pedigree.