LEADING THE DAY: Zynga, the game maker known best for Facebook titles such as FarmVille, is said to be close to its initial public offering, reports All Things Digital. The company could reportedly file as early as this week or next week. In its last round of funding, the company was valued at $10 billion, but it is expected to price itself higher, the report said.

The social network LinkedIn doubled its value last week after an IPO that made it worth $9 billion, setting off speculations that the market might be entering a new tech bubble.

Conyers to speak out on merger: Rep. John Conyers (D-Mich.) will hold a press conference Wednesday and is expected to opposed the proposed AT&T and T-Mobile merger. Conyers, the ranking member on the House Judiciary Committee, will be joined by Gigi Sohn of Public Knowledge, Parul Desai of the Consumers Union and Aparna Sridhar of Free Press.

On Thursday, the chief executives of AT&T and T-Mobile parent company Deutsche Telekom AG will testify before a House Judiciary subcommittee addressing how a merger would affect competition.

E.U. privacy laws: On Wednesday, European Union Web privacy rules go into effect, making it mandatory for all Web sites in the E.U. to obtain user permission to place cookies for online advertising. The 2009 law has only been implemented in Denmark and Estonia, Bloomberg reported. Implementing the rules is said to be confusing because of the various permissions required for different cookies. The European Commission has the right to sue countries that do not properly implement the rules.

Some worry about the effect the laws will have on international businesses such as Google or Yahoo who must comply with similar but distinct cookie laws in several different countries.

Sony suspends some international services: Sony has shut down some services in Canada, Thailand and Indonesia because of external intrusions into its systems. While none of the attacks are as serious as the breach into the company’s gaming networks that leaked millions of users’ personal information last month, the continued attacks are hurting Sony’s image, Bloomberg reported.

Sony confirmed reports from Wednesday that sites from its Sony Music Greece service were attacked, though those sites were not part of the Sony Music Entertainment Network. “Approximately 8500 records containing email addresses, telephone numbers, user names and passwords were obtained; however, the sites did not offer any commerce activity and therefore no credit card data was involved,” Sony spokeswoman Elizabeth Boukis said in a statement.

China urges Foxconn to improve safety: Following an explosion at the Foxconn factory in Chengdu, China — where Apple iPads are produced — the country’s Taiwan Affairs Office has urged Foxconn and other Taiwanese companies to ensure that their facilities on mainland China are safe, the Associated Press reported.

“We hope Foxconn and other Taiwan-invested enterprises can learn from this, carry out their safety responsibilities, strengthen internal inspection and management, root out hidden dangers in a timely way and ensure safe production,” Fan Liqing, a spokesman for Beijing’s Taiwan Affairs Office, told the AP.

Kohl, Klobuchar question AT&T billing: Sens. Herb Kohl (D-Wis.) and Amy Klobuchar (D-Minn.) wrote a letter to AT&T chief executive Randall Stephenson asking about a lawsuit that claims the company regularly overcharges its smartphone customers.

AT&T spokesman Michael Balmoris told The Washington Post that the company is “confident that our billing systems are accurate.”