News bites: U.S. Ambassador to Germany summoned over newest spying allegations

The U.S. ambassador to Germany, John Emerson, has been summoned to meet with the German Foreign Minister today over the recent allegations that the U.S. has tapped German Chancellor Angela Merkel's cellphone, Der Speigel reports.

According to Billboard, YouTube is planning to launch its own subscription music service later this year.

Despite past promises that it would not do so, Google is experimenting with banner ads on search results pages, The New York Times reports.

Canadian dating service PlentyOfFish has canceled plans to buy Texas-based dating site after the state's attorney general filed a petition warning that the sale could harm the privacy of users, The Wall Street Journal reports.

T-Mobile will give tablet users a free 200 megabytes of data per month, according to the Associated Press.