Where Do You Go?

If you’re on foursquare and are into data visualization, you’ll probably get a kick out of this nifty Foursquare check in heatmap generator by Steven Lehrburger.

Below is a preview, which displays a heatmap of my recent activity in the San Francisco bay area:

I figure it’s only a matter of time before visualizations of this sort make it into Gowalla, Foursquare, Hotpotato, and even Twitter. I’d blog in a bit more discussion around privacy, stalker enabling, etc, but it’s my birthday and I’m off to eat a bit of birthday cake.

To be continued!

How Twitter Propagates Info

Interesting (and short) video on how Twitter users propagate information by Bitcurrent‘s Alistair Croll, delivered at W2E New York here:

They’ve even suggested a better retweet design. I figure this will be a topic of conversation buzzing with activity in the near future, and probably the topic of a more lengthy blog post of mine in the future.

Original posting on O’reilly net here.