(CNET) — Google Wave and Google Buzz may have had troubles attracting usage, but the new ability to place calls from Gmailappears to have caught on quickly.

“Over 1,000,000 calls placed from Gmail in just 24 hours!” Google tweeted Thursday, evidently pleased with the number.

For comparison, there are somewhat more than 300 million people in the United States.  To read the full story click here.