Here's an odd one: average connection speeds around the globe dropped 14 percent to just 2.3 Mbps during the last quarter of 2011. The drop off remains something of a mystery since the data used to calculate that result doesn't include mobile broadband (so its increased adoption can't be dragging down the whole) and Akamai offers no explanation. Still, it's not time to start panicking, just yet. Even though speeds in the US dropped 5.3 percent from the previous quarter, average connection rates are still up significantly over the previous year. Otherwise, thin