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Name: Adobe,
Market Cap (in billions): 15.8
Cloud Products: AIR, LiveCycle ES Developer Express
Notable Acquisitions and Partnerships:
Major Customers: eBay, New York Times, Time Warner
Market Position: Lets programmers develop cloud-based applications that can use local computing resources when needed.

Name: Akamai,
Market Cap (in billions): 3.8
Cloud Products: EdgeComputing, Web Application Accelerator, NetStorage, Global Traffic Manager
Notable Acquisitions and Partnerships: OpSource
Major Customers: MySpace, HP
Market Position: Rapidly remobilizing its content delivery network for cloud computing.

Name: Amazon,
Market Cap (in billions): 37.4
Cloud Products: Amazon Web Services
Notable Acquisitions and Partnerships:
Amazon has made venture investments in Engine Yard and Elastra
Major Customers: Linden Lab (Second Life), Washington Post
Market Position: Offers à la carte computing power, storage, and Web content delivery.

Name: Google,
Market Cap (in billions): 137.4
Cloud Products: Google Apps (Gmail, Google Docs), App Engine
Notable Acquisitions and Partnerships: Postini
Major Customers: Genentech, University of Arizona, city government of Washington, DC
Market Position: With the launch of App Engine, developers can use Google’s infrastructure to host and maintain their own applications.

Name: IBM,
Market Cap (in billions): 143.5
Cloud Products: Computing on Demand
Notable Acquisitions and Partnerships: Outblaze
Major Customers: Indigo BioSystems, Elizabeth Arden, United States Golf Association, University of Pretoria
Market Position: Its 10 global cloud-computing labs let businesses tap into IBM’s computing power and expertise in building and managing data centers.

Name: Intel,
Market Cap (in billions): 92.1
Cloud Products: Xeon 5500 processor, Data Center Manager, Node Manager
Notable Acquisitions and Partnerships: None
Major Customers:
Market Position:
Recently released Xeon 5500 processor could dominate the huge data centers that will be built as cloud computing expands.

Name: Rackspace,
Market Cap (in billions): 1.3
Cloud Products: Mosso Cloud Sites, Cloud Files, Cloud Servers
Notable Acquisitions and Partnerships: Slicehost, Jungle Disk
Major Customers: Razorfish, Radio Flyer
Market Position: Its cloud-computing division, Mosso, is promising more reliability, better support, and less downtime than main competitor Amazon Web Services.

Market Cap (in billions): 4.8
Cloud Products:
Notable Acquisitions and Partnerships: InStranet
Major Customers: Harrah’s Entertainment, Japan Post, New Jersey Transit
Market Position: With, the company has created a platform that lets a business’s IT staff build and host applications using the company’s infrastructure.

Name: Sun,
Market Cap (in billions): 7.82
Cloud Products: Sun Open Cloud Platform, Sun Cloud
Notable Acquisitions and Partnerships: Q-layer
Major Customers: None yet; product launching in beta this ­summer
Market Position: Promising a set of open APIs, the company is launching cloud storage and computing services later this year.

Name: Yahoo,
Market Cap (in billions): 22.7
Cloud Products: Yahoo Small Business, Zimbra
Notable Acquisitions and Partnerships: Zimbra
Major Customers: Comcast, H&R Block, UCLA
Market Position: Its popular Web applications and open-source projects keep the beleaguered company in the picture.

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