What do you get when you ask the public to download a simple sign, find a place that is important to them, photograph themselves in front of that place holding the sign and then download it to the Internet? You get This Place Matters. More than 2,000 people took the National Trust for Historic Preservation (full disclosure: my employer) up on their offer, and the results are fascinating.  When you have some time, go to the site, click on the slide show, and sit back and watch.  I guarantee you’ll love it! And now, the Trust is having a This Place Matters photo contest where you can go online and vote once per day for your favorite This Place Matters photo.  The top three photographers win a digital camera.  (Full disclosure:  I am not eligible.) You can guess which photo I’m voting for: Miller’s Grocery (shown above) in Christiana, Tennessee.  (Full disclosure:  I do not know the photographer or the subject.)  I just love this picture. Perhaps it is because it comes from my home …