After customer clicks Add To Cart button, the text should be changed to Added
When customer hits/clicks the "Add to Cart" button to add a specific product, he is shown "View Cart" link next to the same button. Up to this is okay. But, we should stop the customer adding same item multiple times, but either DISABLING the "add to cart" button OR, changing the button text to "Added". This will be simplify the buying process as novice customers may add same item twice! Please take this issue on board. thanks.

The plugin now offers the option to redirect directly to the cart after adding the product to the cart.
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Brian L commented
superb idea. Just like this Uservoice forum, we click "VOTE" and then it gets turned into "VOTED", the add to cart button should turn something similar when product/services are added to cart by user.
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Kevin commented
even I think the Add to cart button in the plugin should either be disabled or text should be changed once the user hits it (product added).