Bidding box for home-played games. Use of bidding boxes has several advantages over oral bidding: it reduces noise in the room, prevents bidding being overheard at neighboring tables, allows easier review of the auction, and reduces the opportunity to pass unauthorized information to one's partner (intentionally or not) by the manner and intonation in which one makes one's bid. A bidding box is typically a plastic box with two slots, each containing a set of bidding cards. One slot contains 35 cards with symbols of bids (5 denominations—clubs (), diamonds (), hearts (), spades (), and notrump (NT)—in seven levels of bidding,
Spectrum auction the country. Verizon, who participated in the auction, ultimately purchased no licenses. Lawrence Chu, an advisor to the FCC during the bidding process, considered the auction a success while admitting that "there will be some people disappointed on the broadcaster side." On November 14, 2018, the Federal Communications Commission began auctioning spectrum for 5G services for the first time. Bidding opened for spectrum in the 28GHz band, with a total of a little more than 3,000 country-based licenses up for grabs, and will be followed by an auction of spectrum in the 24GHz band. In total the FCC hopes to