Counting that way, 100 percent of the Senate is now using Twitter.
At least three freshman Democratic senators — Sens. Tammy BaldwinTammy BaldwinOvernight Finance: Wall Street awaits Brexit result | Clinton touts biz support | New threat to Puerto Rico bill? | Dodd, Frank hit back Dem hopeful that Congress will eliminate tax break for investment fund managers Congress should stop government hacking and protect the Fourth Amendment MORE (Wis.), Martin HeinrichMartin HeinrichSenate Republicans may defy NRA on guns Senators roll out bipartisan gun proposal Senators seek wilderness protection in NM MORE (N.M.) and Heidi HeitkampHeidi HeitkampOvernight Finance: Obama signs Puerto Rico bill | Trump steps up attacks on trade | Dodd-Frank backers cheer 'too big to fail' decision | New pressure to fill Ex-Im board Senate Dems urge Shelby to take up Ex-Im nomination Gun-control supporters plan next steps versus NRA MORE (N.D.) — have yet to set up a new Twitter account to suit their new office, but still have a campaign presence with varying degrees of activity.
Blunt also welcomed several new Republican senators to Twitter in a second tweet on Thursday.
Roy BluntRoy BluntSenate Dems: No August break without Zika deal Overnight Finance: Senate sends Puerto Rico bill to Obama | Treasury, lawmakers to meet on tax rules | Obama hits Trump on NAFTA | Fed approves most banks' capital plans Overnight Healthcare: Sanders, Clinton ally jockey for health gavel MORE (@RoyBlunt) January 17, 2013
The House and Senate leadership have stepped up to promote the accounts of new members. Creating official Twitter accounts for use by their congressional office has become one of the many necessary steps new members take during their first few weeks after taking office.