Software

Photoshop:

Adobe Photoshop is a graphics editing program developed and published by Adobe Systems Incorporated.

Adobe Photo shop is a good software package used for editing and creating graphics. Photo shop can also be used editing and manipulating images.

Limitations of Photoshop would be that it is a very complex package with a lot of add-ons which would make it very difficult to know everything there is to know about Photoshop.

SUMO PAINT:

Sumo paint is a web based graphics editor with a variety of different editing tool. Sumo paint can be used as a paint program and photo editing program. With sumo paint you can save your artwork on your computer but also on sumo account in the web. This allows you to open your images from any computer. It is free online Flash-based image editor created in 2007. It is very similar to Photoshop, in that it features many of the same tools, but Sumo Paint is geared towards illustration, where other software such as Photoshop is more suited for heavy image editing.

Unlike Photoshop sumo paint does not have a lot of add ons so it is very limited to what you can do, and is also not as good as Photoshop. Another limitation is that you need access to the internet in order to use sumo paint.