For my holiday to Peru I wanted to find a small cheap and light way to keep my digital photos backed up every day. When I travelled around south East Asia for 3 months I was paranoid about backing up my photos. I was terrified that something would happen and I would have lost every photo. So I carried a 1.5Kg net book and charger, a memory card reader and a bulky portable hard drive. It worked I didn't loose any photos and when my hard drive was stolen I bought a replacement and quickly backed everything up again. But it was a heavy and bulky amount of tech to take backpacking. Doing some research I decided the best way to achieve a small, cheap and light back up was to make use of an OTG (On The Go) Cable. This is simply a short cable with a male micro USB port at one end to plug into your phone and a female regular sized USB port at the other end for you to plug a multitude of normal USB devices into. This lets you do things like plugging a full sized keyboard ...
A blog about the various ideas I have.