Here is an excellent post on a way of keeping track of what you read, storing good ideas for later retrieval. Google spreadsheets and Microsoft spreadsheets can work great for managing your business and your life!
Also mentioned in the comments is an idea of starting a blog and making a quick post to keep track of a good idea or website/information source. With Blogger you can set your preferences to private and it can be for your eyes only.
As a Realtor, taking this one step further, it would be pretty easy to start a blog for each listing client and set up an rss feed - so every time you post an update they would be notified.
At Piperpartners.com we are using Google spreadsheets and Google calendars pretty extensively to manage our Ann Arbor real estate business. The best thing about them is that you can share them with your team members and you can access them from anywhere.
The options are endless.
I am curious what you are using to track your business and keep track of things. What is working for you?
