Somehow this is an evil idea for bitcoin exchanges..

Idea is using finer bitcoin trade unit and not allowing finer fiat units.
for example, use XBT as bitcoin trade unit and allow only $0.01 precission.
Road to victory (112.770 million BTC / 112.770 trillion XBT)... M1 Parity point Country
----------------------- -------------- -----------------------------------------------------------
$90,240,000,000.00 $8,199.65 Indonesia
$96,680,000,000.00 $8,784.82 Malaysia
$100,900,000,000.00 $9,168.27 United Kingdom
$112,770,000,000.00 $10,000.00 BITCOINATION ******************* @ 1 XBT = 0.01 USD
$110,100,000,000.00 $10,004.23 Algeria
$114,000,000,000.00 $10,358.60 Czech Republic
$117,000,000,000.00 $10,631.19 Finland
$117,000,000,000.00 $10,631.19 South Africa
$118,500,000,000.00 $10,767.49 Ireland
$120,000,000,000.00 $10,903.79 Greece
$120,700,000,000.00 $10,967.39 Singapore
$134,200,000,000.00 $12,194.07 Denmark
$143,800,000,000.00 $13,066.37 Hong Kong
$149,400,000,000.00 $13,575.22 Norway
$152,800,000,000.00 $13,884.16 Poland
$158,300,000,000.00 $14,383.91 Brazil
$168,400,000,000.00 $15,301.65 Belgium
$175,700,000,000.00 $15,964.96 Venezuela
$180,700,000,000.00 $16,419.29 Mexico
$194,800,000,000.00 $17,700.48 Austria
$225,540,000,000.00 $20,000.00 BITCOINATION ******************* @ 1 XBT = 0.02 USD
$231,300,000,000.00 $21,017.05 Saudi Arabia
$243,000,000,000.00 $22,080.17 Sweden
$338,310,000,000.00 $30,000.00 BITCOINATION ******************* @ 1 XBT = 0.03 USD
$342,300,000,000.00 $31,103.05 India
$347,000,000,000.00 $31,530.12 Russia
$369,600,000,000.00 $33,583.67 Korea South
$375,800,000,000.00 $34,147.03 Netherlands
$412,300,000,000.00 $37,463.60 Taiwan
$451,080,000,000.00 $40,000.00 BITCOINATION ******************* @ 1 XBT = 0.04 USD
$484,400,000,000.00 $44,014.96 Switzerland
$544,000,000,000.00 $49,430.50 Australia
$563,850,000,000.00 $50,000.00 BITCOINATION ******************* @ 1 XBT = 0.05 USD
$676,620,000,000.00 $60,000.00 BITCOINATION ******************* @ 1 XBT = 0.06 USD
$702,300,000,000.00 $63,814.42 Canada
$789,390,000,000.00 $70,000.00 BITCOINATION ******************* @ 1 XBT = 0.07 USD
$775,200,000,000.00 $70,438.47 Spain
$902,160,000,000.00 $80,000.00 BITCOINATION ******************* @ 1 XBT = 0.08 USD
$928,500,000,000.00 $84,368.06 France
$1,014,930,000,000.00 $90,000.00 BITCOINATION ******************* @ 1 XBT = 0.09 USD
$1,127,700,000,000.00 $100,000.00 BITCOINATION ******************* @ 1 XBT = 0.10 USD
$1,137,000,000,000.00 $103,313.39 Italy
$1,853,000,000,000.00 $168,372.66 Germany
$1,917,090,000,000.00 $170,000.00 BITCOINATION ******************* @ 1 XBT = 0.17 USD
$2,318,000,000,000.00 $210,624.83 United States
$2,480,940,000,000.00 $220,000.00 BITCOINATION ******************* @ 1 XBT = 0.22 USD
$4,910,000,000,000.00 $446,146.65 China
$5,074,650,000,000.00 $450,000.00 BITCOINATION ******************* @ 1 XBT = 0.45 USD
$6,205,000,000,000.00 $563,816.69 European Union
$6,427,890,000,000.00 $570,000.00 BITCOINATION ******************* @ 1 XBT = 0.57 USD
$6,735,000,000,000.00 $611,975.08 Japan
$6,991,740,000,000.00 $620,000.00 BITCOINATION ******************* @ 1 XBT = 0.62 USD