When we was implementing a customer relationship management for a local client using Drupal, we faced this challege:

• The client wanted to manage records of his patients with many treatment images captured by his iPhone
• Each iPhone images can be large, 5 to 10MB depending on resolutions
• While we can't hold so many large images to the web server, the disk space will soon run out

So we have to find a way to resize and compress images quality on the client side before uploading so they won't place burdens to the web server.

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