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Most routers intended for home and small-office use have four ports. If that's not enough, you can add more with a hub or a switch. What's the difference and how much do these things cost? Let's look. In Short Circuits: Password managers are essential and LastPass offers a family plan that gives up to six family members their own separate accounts and the ability to share information between members, when desired. The most difficult part may be convincing people to use it. • The Vivaldi web browser, which is based on Chrome, has added some improved security features that I appreciate, and you may too. Like nearly all modern browsers, Vivaldi gives users control over cookies, trackers, and ads -- but Vivaldi now also reports results. Twenty Years Ago (only on the website): Video subsystems have changed much since 2002. Today's low-end graphics subsystems have two to four gigabytes of memory. In 2002, the top-end systems had much less.