
Google's photo uploader has no location field, so a geotag has to go into the file before it leaves your computer. Here is how to put it there, and what three published tests say it will and will not do.

The claim that geotagged photos lift local rankings has now been tested: one metric of seven improved and four got worse. Here is what the evidence actually supports, what Google documents instead, and where photo location still earns its place.