Can Ketchum Walk the New Media Talk?

I was reading the press release issued yesterday by Ketchum Public Relations announcing their new service offering called Ketchum Personalized Media: "a global service that advises organizations to know how, why and when to integrate the growing roster of online and wireless media - from blogs and podcasts to mobile marketing - into their overall communications strategy," according to the announcement.

A Guide To ARP

When I first started studying for my CCNA years ago, one of the (many) things that confused me was ARP. Or rather, what ARP did as opposed to Reverse ARP, Inverse ARP, and Proxy ARP! One book would mention ARP without mentioning the other variations, one woule mention RARP but not Proxy ARP, and so on...