You gotta hand it to Google, they tend to have ideas from time to time.
Problem: How do we get people looking in the space we use for ads more?
Solution: Use that space for handy tips every now and then
I noticed in my gmail ad space, not an ad but a handy tip:
"Empty tissue boxes can provide easy and handy storage for plastic grocery bags."
That alone will probably see me looking at the ad bar a little more often