This August, if you are on holiday and are not in snorkeling in a lagoon in a tropical island, or if you are work but not many things to do due to the summer period, you could spend half an hour (or half a day, or a full day) getting up to speed with the latest cool technologies of the moment:

All these pages contain lots of links to videos, books and other useful information and tools to help you learn the technologies of your choice.