According to AdMob, a mobile advertising network, the Sidekick II is still in the top 20 handsets in the United States. This stat is based on ad impressions, so take it with a grain of salt. However it’s still interesting to see it ranking so high over 4 years after it’s release! Of course the iPhone has taken the number one spot, but we’re not sure why more recent Sidekick models aren’t showing up. If you want to check out the full report, you can grab the PDF.