To make a simple analogy: If blogs are journals, tumblelogs are scrapbooks.
That’s the first line in Tumblr’s FAQ section, but I like Wikipedia’s definition better:
A tumblelog is a variation of a blog, that favors short-form, mixed-media posts over the longer editorial posts frequently associated with blogging. Common post formats found on tumblelogs include links, photos, [...]





What is Lifecasting? Ask Justin Kan
To me, it’s a solution to a bad memory. If I could wear a camera on my head 24 hours a day, I would never worry about forgetting anything.
The term “lifecasting” was coined by Justin Kan and his three amigos living in the North Beach district of San Francisco.
“This is a new type of live [...]