those who view channels through Cignal will see its DOG. The network logo and the MTRCB rating of the program (green 'G', blue 'PG' and red 'SPG') are shown 1 to 5 seconds after the start of the program. Hashtags, promotions and announcements are also shown in the middle of the program. All DOGs appear in a solid color. Poland Virtually all Polish TV channels show their logos in the corner of the screen during all programming, and have done so since the early 1990s. The two TVP channels first introduced them as a test in 1991 and then permanently in early 1993. Various positions of the logo were tested, before settling on the top-right corner on 19 April 1993. Polsat, the first commercial Polish-language broadcaster, launched initially on satellite on 5 December 1992, with a DOG in the top-left corner from the beginning. Nowadays, most channels, including the major networks such as TVP, Polsat (since 28 February 2005) and TVN, show their logos in the top-right corner of the screen. Top-left corner is also a common location, used by TTV and several cable and satellite channels. News-oriented channels such as TVP Info and TVN24 that display news tickers at the bottom of the screen most of the time, usually integrate their DOGs in the ticker design, typically in the bottom-left corner. Few minor cable and satellite channels show their logos in the bottom-right corner. Most broadcasters remove their DOGs during commercial breaks, although the practice is not universal. Some channels, including most basic free-to-air ones, use alternate logos containing the "HD" branding for their HDTV feeds. This may be related to the fact that Polish digital terrestrial TV lineup consists almost entirely of SDTV streams, with HDTV available through cable and satellite. Since 15 August 2005, all broadcasters licensed in Poland are also required to display the age rating at all times, during all programming except news, sports and advertising but has been criticised by viewers for exaggeration of age rating to +12 in case of animated or family movies on some TV channels, mainly from TVN, and also on talent show with participation of children (e.g. You Can Dance - Next Generation), for pathologizing of system and for screen burn-in. It is usually shown in the top-left corner, opposite the channel logo. However, Polish broadcasts of international cable networks (such as Discovery Channel, HBO, etc.) usually operate under