Smartplaylists.com, which lets you share your personalized listening experience by creating Playlists based on features like My Rating or Last Played can be used to simplify your online shopping.
As data on the client side gets bigger, the user can configure rules to automate customary processes. Central, a movie website has the “set alerts” feature, which helps you establish preferences that can help automate routine tasks.
Looking ahead, if rules for shopping applications are shared, like for example in digital camera shopping, customers who are not familiar with camera specifications can also look for the best camera that fits his need. A simple data grid with various meta-data collected can be taken advantaged of to produce interesting results using command based sorting of columns. Now, if rules were set by navigation, it would be even simpler for the user.
The user follows a process that can be setup as a rule, but it may not be suited to every scenario. Macros in many applications have tried the same strategy but did not have considerable success due to unfriendly User interface. A possible solution to address this dilemma is to promote research work that enables rule setting in Excel better by allowing test cases when the rule is set.