Mobile web development will soon be at least on par with desktop development if not a more lucrative field. Therefore, mobile requires development tools to debug and optimize. Here’s another one from Steve Souders:

Bookmarklets basically perform those two steps: gather data and display data. It was pretty simple to insert a step to save the data to Jdrop. Once the data is in the cloud, it can be accessed from anywhere especially desktops with more screen real estate. The bookmarklet’s display code is easily re-used by wrapping the data in JSON and passing it back to the display code inside Jdrop’s web page. That, in a nutshell, is Jdrop.