Some of us go on vacation to get away from technology - and that's great. But many of us want to use technology to help stay connected to family and friends, to help us find our way around new places, to help us with foreign languages, or just to take (and share) photos or to have something to read without filling our bags with heavy books. Some airlines are removing their seatback movie players, encouraging passengers to watch movies in the air on their laptops, tablets, or phones.
If you do want to be unplugged on vacation, see: 7 tips for unplugging from tech during your vacation. Or take a look at: How Not to Let Your Phone Ruin Your Vacation
There's no single answer on what to bring - if anything - that's right for everyone. Let's look at the advantages and disadvantages of some of the sorts of devices most commonly taken travelling.
Laptop (Notebook) Computers:
North America-European power adapters
North America-UK power adapters
Apple World Travel Adapter Kit