The Web-site transition occurred at 12:01 p.m. yesterday, when Obama officially took over the presidency from predecessor . The said "Change has come to WhiteHouse.gov" and pointed online readers to the written by Macon Phillips, the Obama administration's director of new media at the White House.

The @TheWhitehouse Twitter account was set up by the Bush administration, which posted more than 1,500 entries there. But the account never attracted much of a following until now. On Monday, it had only about 3,800 followers. By this evening, just a little over 24 hours since , the number of followers had topped 14,000 and was seemingly climbing with each page refresh.

Twitter is a familiar communications tool for the new administration. The Obama campaign's still has more than 144,000 followers, the largest number for any account on the microblogging site, according to posted on the Twitterholic.com Web site. That's despite the fact that only two new entries have been posted on the BarackObama page since Nov. 5.

The Obama administration may have also used the WhiteHouse.gov redesign to let the tech community know that its plan for a Google-enabled government is under way.

As a senator from Illinois, Obama sought to make federal data searchable and usable in tools such as mashups. His ideas include putting data in standard formats and making the information accessible through RSS feeds and other methods. That is similar to what , the District of Columbia's chief technology officer and one of the top candidates for the position of federal CTO under Obama, has accomplished with the D.C. government's , which makes a variety of municipal data available via the Web.