SCRIBD

Is a reading and publishing company. You can share writings, essays or documents.

Is an interactive web where you can upload and view documents in diferents files with iPaper format.

ADVENTAGES

• It's a free tool.
• Allows shareing, saving and uploading documents
• Users don't have to download documents to upgrade them.

DISADVENTAGES

• The language is english, and it's not able to change it.

apollo 13(preguntas peli)