Ping, as in ping me, meaning “contact me,” comes from the onomatopoeic ping we get from technology such as sonar. This is part of a complete episode.
hub dot n.— «The inside of this insert contained the actual Blu-ray disk. The disk was attached to the cardboard with a so-called “hub dot,” a small foam button used to fasten CDs and DVDs to all kinds of surfaces...
fraudband n. low-quality broadband Internet service. Editorial Note: This term is especially common in Australia, although it has been repeatedly recoined throughout the Anglophone world. (source: Double-Tongued Dictionary)