Hi,

> Those files come from here [1]
> 
> [1] https://getmdl.io/templates/index.html

Thanks, do you know how they are licensed?

I can see there’s an open issue reguarding licensing of these files. [1] The 
original check in doesn’t help much [2] other than the icons seem to be under 
an CCSA 4.0 international license. Have we altered the icons in any way?

Doing a reverse google image search on the road image [5] (which looks like a 
professional stock photo to me) turns up a number if hits, but I would guess it 
may of come from here [4] as that is one of the hits that predates the original 
checkin. There it’s stated that the image is CC0 but it doesn’t give the author 
and it’s unknown who uploaded it. (The free photos account seems to be a catch 
all). So best case it seems it may be CC0 but it probably is of unknown IP 
provenance. Note that it appears in several paid commercial themes, I’ve not 
checked them all but the few I did see to come after that checkin so they may 
of copied it from there. Can anyone find out anything else about any of that 
(or others) images origins?

I’ve not investigated the other images.

To resolve we could:
a) Found out where each image come form and what license it’s under.
b) We may need to ask Alexander Surma ([email protected]) who checked in the 
images where they where obtained from and what license they were under. (And if 
it was [4] ask pixabay where they got it from.)
c) Ask for that issue [1] to be resolved (and give provenance for each image).
d) Replace the images and icons with something of known IP provenance.

What do you think? To me d) seems the simplest and quickest option and would 
require no changes to the existing LICENSE.

Thanks.
Justin

1. https://github.com/google/material-design-lite/issues/4857
2. 
https://github.com/google/material-design-lite/commit/2cab1e730699b1a650c4f74300939f9d66b16128#diff-f8c098de9d518711322490fec27fcd27
3. 
https://github.com/google/material-design-lite/blob/2cab1e730699b1a650c4f74300939f9d66b16128/templates/fonts/LICENSE.txt
4. https://pixabay.com/en/person-male-man-looking-sitting-677770/
5. 
https://github.com/apache/royale-asjs/blob/develop/examples/royale/MDLBlogExample/src/main/resources/images/road_big.jpg

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