The default view of Referrer Type is a pie chart. I really need to see this data trended over time. That would help me answer questions like "is my search engine traffic increasing over time?" Currently I have to pull this information into excel and manually create that report.

Currently there is no way to just see all mobile visits trended like you can for al visits. You can see mobile visits broken down by device, OS, etc. but I would like to just see all mobile visits over time. (You can kind of get this information by extracting the data to excel and totaling the lines...