## WOW.... So Meta
The main idea finding the flag is just basic Forensics Techniques.

#### Step-1:

After we download `3UWLBAUCb9Z2.jpg`, I found nothing in image in general.

<img src="3UWLBAUCb9Z2.jpg">

#### Step-2:
I used `strings 3UWLBAUCb9Z2.jpg` to explore if I found any flag in there.

I got following output:

```
JFIF
xPhotoshop 3.0
8BIM
164555
20141227
20141227
164555
8BIM
~Exif
Photos 1.5
2014:12:27 16:45:55
0221
0100
2014:12:27 16:45:55
2014:12:27 16:45:55
http://ns.adobe.com/xap/1.0/
<?xpacket begin="
" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP Core 5.4.0">
	<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
		<rdf:Description rdf:about="" xmlns:xmp="http://ns.adobe.com/xap/1.0/" xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/" xmp:CreateDate="2014-12-27T16:45:55" xmp:ModifyDate="2014-12-27T16:45:55" xmp:CreatorTool="Photos 1.5" photoshop:DateCreated="2014-12-27T16:45:55"/>
		<rdf:Description xmlns:MicrosoftPhoto="http://ns.microsoft.com/photo/1.0/"><MicrosoftPhoto:CameraSerialNumber>flag{EEe_x_I_FFf}</MicrosoftPhoto:CameraSerialNumber></rdf:Description></rdf:RDF>
</x:xmpmeta>
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
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```

#### Step-3:

Finally the flag becomes:
`flag{EEe_x_I_FFf}`