I suspect the popularity of the yellow legal pad and the Moleskine is the seemingly romantic connotations they associate with the act of scribing, scribbling,  writing, and creating. True but I do draw the line at quills.

There are a number of different ‘tools’ we like to carry with us during our day – from meeting to meeting and from gig to gig. A smart phone with GPS on-board, a collection of black ink grip Sharpie pens, a charged iPod, a head full of event ideas, and a Moleskine to keep track [...]