We've mentioned a few different types of hardware devices that you can use to access the Internet or email wirelessly. The varieties range widely; your choice should be made based on your personal situation.
For example, if you're constantly traveling for business within a specific region and use your laptop regularly during those travels, wireless connectivity for your laptop might be wise. If you don't need to have the whole laptop with you all the time but really need email availability and ease, a Web-enabled cell phone or wireless PDA might work for you.
Read through the following descriptions to help you decide what might be best for you.