Since you're taking most of your photos on an iPhone these days, Apple is making sure you have the same editing experience on the go as you would when sitting down to desktop iPhoto — with some multitouch enhancements. Gestures do all the work in the new iPhoto ($5); just touch the specific part of the photo you want to enhance. Slide color contrasts up, pinch-zoom to focus on friends, or get artsy with the brush tool, and paint away harsh lighting. You can also flag images for side-by-side comparison before deciding which photo makes the cut. Dozens of effects are included as swatch books to create black-and-white, vintage, watercolor, and tilt-shift images. Share the final photo product with friends across social networks, between iPhone and iPad, to the new Apple TV, or as photo journals, all customized within iPhoto itself.