Comic book letter column to expand the lettercols in his books to a second, separate page (such as "Flash-Grams — Extra", "Letters To the Batcave — Extra", and "JLA Mailroom — Special Peter Sanderson Edition") to facilitate Sanderson's sharp analysis. By the 1970s, nearly all mainstream comics included letter pages. Historian Matthew J. Pustz describes the different approaches of the two major publishers, DC and Marvel Comics: As the letter column became a longstanding tradition in the mainstream comic book industry, it even became a feature of underground, independent, and alternative comics of the 1970s and 1980s. In the 1990s, a trend in letter
Wikipedia logo Commons Attribution-ShareAlike 3.0 license. On September 29, 2017, the logo of Wikipedia was submerged to the bottom of Armenia’s Lake Sevan thanks to the joint efforts of Wikimedia Armenia and ArmDiving divers’ club. The logo is an unfinished globe made of puzzle pieces with symbols (including Armenian “v” letter) from different sign systems written on them. The 2m wide, 2m high logo (the largest in the world) was made in Armenia for the annual meeting of the Central and Eastern Europe Wikimedia affiliates, Wikimedia CEE Meeting that the country hosted in August 2016 in Dilijan. The (former) logo was registered