LEADING THE DAY: Facebook is forming a political action committee, The Washington Post reported, strengthening ties with Washington politicians as the social networking giant faces growing questions about how it handles users’ privacy. Facebook also recently expanded its Washington, D.C. office.

Several other tech and Web giants also have PACs, including Google and Microsoft. The committees serve an avenue for corporate employees to donate money to political candidates.

AT&T, T-Mobile merger: Six members of the House Energy and Commerce committee wrote to the Justice Department and the Federal Communications Commission last week urging them to limit any conditions imposed on AT&T’s proposed acquisition of T-Mobile.

The Hill reported that the Republican lawmakers — Reps. John Shimkus (R- Ill.), Adam Kinzinger ( R- Ill.), Steve Scalise (R- La.), Brett Guthrie (R- Ky.), Marsha Blackburn (R- Tenn.) and Phil Gingrey (R- Ga.) — wrote that any conditions should be “narrowly tailored” to the transaction and not impact other parties.

Spotify, Facebook: Spotify now requires its users to have Facebook accounts, the company confirmed Monday, though users are able to control what the application shares on Facebook. In an official statement, the streaming music service said that the move “seemed logical,” as many of its users have already linked their music accounts to the social network.

Spotify has reportedly gained one million new monthly active Facebook users since last Thursday’s f8 conference, Inside Facebook reported, as users try out the service and share their music with friends.

Amazon ‘Kindle Fire’ tablet: Amazon.com is expected to announce its entry into the tablet market Wednesday. Amazon’s access to streaming music, video and apps would make the on-line retailer’s tablet a valuable entertainment hub. The device, which has been described as a gadget that falls between an e-reader and a fully functioning tablet such as Apple’s iPad, is rumored to be priced around $250. TechCrunch reported that it will be called the Kindle Fire.

FTC announcement: The Federal Trade Commission said Monday that it will announce a major deceptive advertising settlement on Wednesday. The FTC’s consumer protection bureau head, David Vladeck, will be the main speaker at the announcement.