Right as the PDA market was nearing its peak, Qualcomm took the digital versions of peanut butter and chocolate and crammed them together. What was missing from the Palm Pilot was communication, and the pdQ delivered it in a huge 9.8-ounce package.
For the first time ever, users could place a call from the Palm Address Book (a big deal back then), and APIs gave third-party developers access to the pdQ's features. The $799 price was quite high, as was the 1.3-inch profile, but this ambitious hybrid blazed a trail for an entire industry.
More: Best Smartphones 2013