For the price of sending even two people to SXSW, we could drive around to 1,000 customers’ houses

The Mobile World Congress, which finished last Thursday, had over 85,000 attendees. A look-in at an event that bills itself as “the edge of innovation” would have cost you €749, but if you wanted to see any of the keynotes and conference talks, that’

That’s nothing for a big company which can afford to be visible, active, and leave the office reasonably well-staffed in their absence, but it’s a lot for just about anyone else.

But less important than the price of being at the edge of innovation, what’s the actual value of these huge tech events?

Next weekend, South by Southwest’s Interactive strand starts. The 2014 event featured almost 33,000 attendees, 1,100 conference sessions, and 3,200 ...