Here's a couple ideas to reject:
1. Web Tweet deck. I realize there's no need for another twitter client, but I've not seen one that implements all (or at least the below key features) of tweet deck on the web:
1a. Column view of tweets
1b. Ability to Mark tweets as read
1c. Ability to create custom columns by friends, or by search terms from twitter.
Seesmic web has the column view of tweets, but no "mark as read" to hide past tweets. JournoTwit has the mark as read feature, but one can't customize columns by friends. One thing even the TweetDeck desktop client lacks: tweets that were marked as read in a column for a Twitter list will not be marked as read in the "All Tweets" column.
2. A mobile browser friendly version of
fuelly.com. (Vehicle mileage tracking and sharing)
2a. When filling up at a gas station, one can input his number of miles traveled on the current tank of gas, cost per gallon, etc. and the app will report his mileage on that tank.
2b. Extend this functionality to include other maintenance types, oil changes, tire rotations, 30k, 60k, 90k check-ups, etc.
2c. Use OpenId or Facebook Connect for log-in rather than creating a custom security model
3. Carmel code and coffee iFart.
- James Alexander