How to make the best use of your storage space in farmville<br>Buy as many items as you can. This will enable you to that you can rack up those experience points quickly. It's important to buy the items that you think will add the most aesthetically to your farm, as well as considering experience points.
Because of micro-transactions and other such in-app purchases, Farmville has netted over a billion dollars worth of sales. 
( z1 cause :ARG0 ( z2 and :op ( z3 transact :mod ( z4 micro ) ) :op ( z5 purchase :medium ( z6 app ) :mod ( z7 such ) :mod ( z8 other ) :mod ( z9 such ) ) ) :ARG1 ( z10 net-out :ARG1 ( z11 sell :ARG1 ( z12 product :name ( z13 name :op "Farmville" ) ) ) :ARG2 ( z14 over :op ( z15 monetary-quantity :quant 1000000000 :unit ( z16 dollar ) ) ) ) )