What exactly does a palm pilot do?

I just got promoted to management. One of my bosses mentioned that I may need a palm pilot to help organize myself. How do they help? I need help with scheduling lots of phone calls, meetings, etc. Multiple people schedules involved. What about a blackberry phone? Do these same functions? What does think would work best for me?

Palm Pilots are old hat!! any modern smartphone will be able to do everything they do. If you want a seperate device for work but don’t want to spend too much something like an iPod touch or even an iPad mini will do everything a palm pilot used to do and more…

A blackberry will again do similar things, these days blackberry phones are just android phones rebranded.