Politico today reports an update related to a BB item earlier in the week: A NYT story (sparked by this story in a German newspaper) “revealed the extent to which Deutsche Telekom tracked and stored location data for one German politician.” Congresscritters Ed Markey and Joe Barton read the Times piece, and were so upset, they “fired off letters Tuesday afternoon to top carriers AT&T, Verizon, Sprint and T-Mobile, asking them to detail the kind of cellphone location data they collect, how they collect it, how the data is stored and for how long. More here. (via EFF)