The purpose of this forum thread is to compile a list of links where the mentioned numbers are being discussed.

Please share your links and I will maintain a list in this post.

Links:

• How Big Is The RMT Market anyway @ Virtual Economy Research Network
• Virtual Goods Summit 2008 slides by Mike Gowen. Includes data from Puzzle Pirates and Whirled by Three Rings
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  Free to play arguments @ Lightspeed Venture Partners Blog
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  Succesful MMOGs can see $1-2 in monthly ARPU @ Lightspeed Venture Partners Blog
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  Facebook’s digital goods revenue $50-60m sources say @ Lightspeed Venture Partners Blog
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  Facebook selling digital gifts at a $35m run rate @ Lightspeed Venture Partners Blog
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  MMOG nuggets from Austin GDC @ Lightspeed Venture Partners Blog
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  AGDC: Nexon's Kim On The North American Free To Play Business @ Worlds In Motion
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  Game developers on social networks can expect $1.20/mth/Daily Active User @ Lightspeed Venture Partners Blog
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  IMVU selling over $1m/mth in virtual goods @ Lightspeed Venture Partners Blog
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  Acclaim to make $30m in revenue from free to play games this year @ Lightspeed Venture Partners Blog
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  How many of your MMOG’s monthly users can you get to pay? @ Lightspeed Venture Partners Blog
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  Second Life monetizing at 5x higher than other casual MMOGs @ Lightspeed Venture Partners Blog
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  Microtransactions Actually Work, proof from MapleStory in the US @ brinking - nabeel hyatt

• Facebook´s digital gifts revenue by $ 50-60m @ Silicon Alley Insider

• Revenue and user data of 51.com @ Venture Beat

• Revenue of Speed Racer and YoVille (Facebook Apps) @ Joyce Kim Blog

• Revenue data of (fluff)friends and Mob Wars (Facebook Apps) @ Venture Beat

• Revenue data of Revenue of IMVU @ Press release at IMVU

• Nexon’s Maplestory sold $30m of digital goods @ Lightspeed Ventures Partners blog

• Puzzle Pirates, IMVU, Habbo, Runescape, Club Penguin: Revenue/monthly active user/month @ Brinking Nabeel Hyatt Blog

• Puzzle Pirates: Revenue per registered User @ Bret on Social Games

• Revenue and metrics of Habbo Hotel @ Virtual Worlds News

• Revenue of Habbo Hotel and Tencent @ Virtual Worlds News

• Revenue of Club Penguin @ Techcrunch

• Size of the Virtual Goods Market in the United States @ Charles Hudson’s Weblog