I use Yahoo Mail and pay $20, so I can create temporary email addresses. I know there are other free temp email services, but I like to have it one place, makes it easier to search as well.
You can do this from Kindle.. Go to Kindle Store and then to Owner's Lending Library. There are categories and subcategories and books are sorted by bestselling
On the right top menu, Switch Accounts, sign in to second account, (may need to accept conditions again). At this point, you will be able to switch back and forth, between the two accounts
Why not charge a toll depending on traffic ? As the traffic increases, the toll increases (and vice versa), which will keep the lane fast moving. Not my idea, someone has already implemented this.
Great app. Can you please add a "Read later button", that will save it to Instapaper/ Read it later/ Delicious/ download to SD. (the option of where to save could be configurable). Thanks.