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
Samsung they are not part of or connected to the Samsung Group. One Hansol Group representative said, "Only people ignorant of the laws governing the business world could believe something so absurd", adding, "When Hansol separated from the Samsung Group in 1991, it severed all payment guarantees and share-holding ties with Samsung affiliates." One Hansol Group source asserted, "Hansol, Shinsegae, and CJ have been under independent management since their respective separations from the Samsung Group". One Shinsegae department store executive director said, "Shinsegae has no payment guarantees associated with the Samsung Group". In 1980s, Samsung Electronics began to invest heavily in