> How do I check the amount of data used up? Please check 'Status -> Traffic' menu for this. :-) > What are free nodes and premium nodes? and how do I tell the differences? No difference but the premium nodes require mudfish credit to use. > If I am using more than 1 node, SG -> US for example, will it doubling my data usage? (1 mb of data being counted as 2 mb?, 1 mb on SG and 1 mb on US?) Nop. :-) It's same.