The end of summer is near. All the tell-tale signs are there: Apple rumors abound concerning fall product releases, and your iPhone’s Camera Roll is filling up with photos from all of your summer activities. Since you can’t just swap out an SD card on your iPhone like you can with your old point-and-shoot camera, managing how much free space you have left on your Camera Roll is a vital part of being able to continue taking photos — especially for those among us with 16 GB versions of the iPhone packed with a whole lot of home videos. Note: Before reading further, be absolutely sure that you have either downloaded to your Mac or uploaded to the cloud all of the photos from your iPhone that you want to keep. Because without that step, once they are deleted, you may not be able to get them back.