Rubin made the announcement through Google Plus (and Twitter and noted:

…and for those wondering, we count each device only once (ie, we don’t count re-sold devices), and “activations” means you go into a store, buy a device, put it on the network by subscribing to a wireless service.

Google’s latest public figure was just 550,000 devices a day that was noted by Chairman Eric Schmidt in Germany earlier this year and confirmed a few times, most recently at LeWeb last week.

To put it in perspective, 700,000 devices a day is almost 5 million every week, or 21 million a month, or over a mind-boggling 250 million a year.

As a comparison, Apple announced 1 million iPhone 4S’s sold in the first day of sales and topped 4 million in the first week (after some pent up demand and a week of preorders).

The Freight Train continues to roar.