April 26 (Reuters) - Alphabet unit Google said

on Friday it would invest $3 billion to set up a data center

campus in Indiana and expand sites in Virginia.

A boom in artificial intelligence applications has increased

the demand for cloud computing, prompting Big Tech firms to

expand their data center capacity.

On Thursday, Amazon.com's ( AMZN ) cloud computing arm

committed $11 billion toward new data centers in Indiana and

creating 1,000 jobs.

Google will spend $2 billion for the Indiana campus at Fort

Wayne, and $1 billion to expand three existing data center

campuses in Virginia.

On Friday, the company also announced a $75-million Google

AI Opportunity Fund to train Americans on AI skills.