Unit prefix on Units, considers the chances of official adoption to be remote. The prefix "geop" and term "geopbyte" has been used in the tech industry to refer to 10 bytes following "brontobyte". The ascending prefixes "tera" (), "peta" (), "exa" (), "zetta" (), and "yotta" () are based on the Greek-derived numeric prefixes "tetra" (4), "penta" (5), "hexa" (6), "hepta" (7), and "octa" or "octo" (8). In addition, the final letters of the alphabet, "z" and "y", appear in the largest SI prefixes, "zetta" and "yotta". Similarly, the descending prefixes "zepto" () and "yocto" () are derived from either Greek "hepta"
TERA (video game) to the new model, the "Chronoscrolls" mentioned above are being phased out, and are no longer sold by the developer, nor usable to extend game time. Existing chronoscrolls can be sold to merchants for 2,000 gold. The Japanese and Korean versions of "TERA" also became free to play in December 2012 and January 2013, respectively. "TERA" has been met with generally favorable reviews, citing the action-based gameplay, huge and widely varied seamless world, the exciting and recurring Big Ass Monster (BAM) fights, the ease of using the game's auction house (called the Trade Broker) and lush, detailed graphics as the