The speed of a Wi-Fi wireless network connection depends on several factors. Like most kinds of computer networks, Wi-Fi supports varying levels of performance depending on which technology standards it supports. Each Wi-Fi standard is rated according to its maximum theoretical network bandwidth:
Zumbox was a proposed hybrid mail service for receiving postal mail via the web. The service was intended to work in parallel to traditional postal services, whereby a digital mailboxâa Zumboxâ would be created for every street address in the U.S. People were able to claim their Zumbox via a paper mail confirmation code.
A form of aerobic dance, Zumba began in the 1990s when Beto Perez, a Colombian dancer and fitness instructor, forgot his aerobic exercise music tapes and had to improvise with his dance music for a fitness class. The class was an instant hit with his students, and he later expanded his idea and classes to the U.S.