Mosè Giordano <[email protected]> writes:
> 2016-02-23 12:07 GMT+01:00 EglobalpresS <[email protected]>:
>> What do you think about develop a logo with a bit movement?
>
> Do you mean an animated logo? If so, it can't be a GIF, see
> https://www.gnu.org/philosophy/gif.html
Which starts with
There is no special patent threat to GIF format nowadays as far as
we know; the patents that were used to attack GIF have
expired. Nonetheless, this article will remain pertinent as long as
programs can be forbidden by patents, since the same sorts of things
could happen in any area of computing. See our web site policies
regarding GIFs, and our web guidelines.
which leads to
In the past, GIFs have had patent problems. However, now that the
IBM and Unisys patents (and other patents world-wide that are
relevant to LZW compression) have expired, GIFs that are based on
the 87a or 89a standard are acceptable. Please be wary of
proprietary applications that may include non-standard patented
technologies (we'd prefer you use free software applications when
authoring for our websites). In general, PNG or JPEG format, are
still safe, and are probably better from a technical standpoint. For
details regarding the old GIF problem, see
http://www.gnu.org/philosophy/gif.html. Other formats are also
allowed, though JPEG is the one most widely recognized by Web
browsers (be careful with JPEG 2000, as well as PNG alpha channels,
as it includes features not fully supported by older browsers).
That being said, I consider animated logos highly rude. They distract
from the content.
--
David Kastrup
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