Before revision:  Therefore, the following research exercise aims to review existing nutritional applications at length to highlight key features and problems that enhance or undermine an application's usability and build the case for a generalized implementation that can cater to most people's needs.
After revision:  Therefore, the following research exercise aims to review existing dietary applications at length to highlight key features and problems that enhance or undermine an application's usability and build the case for a generalized implementation that can cater to most people's needs.