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Saving images as PNG or GIF?Question: Should I save our web site's images as .PNG or as .GIF images?Answer: In the far past, GIF was the standard for non-photographic images while JPEG was for photographic images. The reason is that GIF only allows 256 colors and its compression algorithm is more suited for computer drawings such as buttons, lines etc. The JPEG algorithm is very bad at such graphics e.g. it will have a big quality problem with compressing an image that consists of a thin black line on white ground. GIF would be ideal for that. JPEG on the other hand is ideal for compressing a photo of a sunset with no visible loss. (It does lose many pixels' exact color information but not visible to the human eye.)After GIF had become a standard, the US based company Unisys remembered that they had a patent on the LZW compression algorithm which is used in GIF. They charged a fee for any application that could read or write GIF images. Note: The Unisys LZW patent expired in the USA on June 20, 2003. It also expired in Canada, France, Italy, Germany, the United Kingdom, and Japan. For that reason in 1995 an alternative for GIF was created: PNG. PNG is like GIF lossless, meaning very suitable for computer graphics. It compresses better than GIF though, in almost all cases. PNG also allows more than 256 colors plus it allows variable transparency (alpha channel). PNG allows to store correction factors for brightness (gamma factor) and color hue (GIF does not). When PNG came out, it was questionable if it was going to be successful simply because GIF images were everywhere and supported by all software (even though the publisher had to pay a fee to Unisys then, even if it was freeware). However, since ~ 2000, all browsers support PNG, meanwhile even the dreaded Internet Explorer does it error-free. Therefore I recommend using PNG images for new projects. Visit  http://www.libpng.org/pub/png/pngstatus.html to see about the status of PNG support and development.
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2008-05-09 19:25:29: by [hidden] in Dating Scams on Dating scammer Ksenia Lihacheva from Diwnogorsk, Russia: Que tal mis brothers, lo de la reunión va en serio, apoyo al cenote para que asistamos con viejas y solicito al principe ruso que el las lleve tiene muy buenos gustos. Ahí les va otra ... read more |
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2008-05-09 19:08:11: by anonymous in Dating Scams on Dating scammer liana: wow two of these pics have been sent to me randomly in the past 2 weeks along witha long letter of introduction from a scamer called Svetlana Yarex 26.... I am going to play her/him along a bit and s ... read more |
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2008-05-09 18:26:27: by anonymous in Dating Scams on Dating scammer Beatrice Asamaah: Am currently being scammed by a 'beautiful lady ' from Ghana. I want to keep her online long enough so that she can be traced. can anyone help ? I have a copy of her obviously fake passport and ph ... read more |
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2008-05-09 18:00:56: by anonymous in Dating Scams on Dating scammer Darren Williams: Well I know he will keep up his scamming until someone hunts him down. Its absolutely amazing what some people will do for money. Glad someone was able to post the bastard on this site |
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2008-05-09 17:51:18: by [hidden] in Dating Scams on Scammer Jane Mabou from Ivory Coast, Africa: i've got another two i'm waiting for answer if they don't answer me you will read name of real scammers 'new' |
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2008-05-09 17:48:30: by Tony in Dating Scams on Is this Russian girl scamming me? How to recognize scammers:  Hey people! Check this email I got from my niece. Seems the scammer don't read the ad she posted on a penpal site. The person even sent a picture.
FW: From Anna? From: Kathy Johns ... read more |
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2008-05-09 16:56:19: by anonymous in Dating Scams on Dating scammer Esther Ansomaa from Accra, Ghana:  another picture but this one goes with another profile that these scammers have on American Singles
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2008-05-09 16:31:57: by OJAS in Dating Scams on Dating scammer Natalya from Osinniki, Russia: @newbies The easiest start is to click on the links above photos under ''This image is also posted ...'' and then navigate in a similar fashion. |
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2008-05-09 16:28:56: by eett0005@hotmail.com in Dating Scams on Primer for first time visitors (Dating Scams):  hello anonymous sender from usa. If you can send me all your pictures of efe osamuyi, would like to see??? Have you talked to her or e-mailed ? I still talking every other day. Any info. you have woul ... read more
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2008-05-09 15:48:26: by anonymous in Dating Scams on Dating scammer Thomas Mends from Accra, Ghana:  how are you my name is youssef from morocco my old is 25 i need wifeeeeeeeeeeeeeeee my email taourirt_@hotmail.com my number +21273965442 kiss you
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