Microsoft may unveil a tablet at a event in Los Angeles on Monday, AllThingsD has reported. Unnamed sources “outside the company” told the publication that Microsoft will demonstrate its Windows 8 platform running on ARM-based tablets.

Senator Jay Rockefeller has introduced legislation to protect consumers from unauthorized third-party charges on their phone bills, known as cramming. The Fair Telephone Billing Act, S.3291, aims to ensure that all landline providers take steps to eliminate the problem, such as barring the placement of most third-party charges on telephone bills, and directs the FCC to develop regulations that would extend similar protections to wireless customers. “While we shouldn’t prohibit third-party billing on wireless bills in the way we’re doing it on wireline bills, now is the time for the FCC to create rules that ensure cramming on wireless bills is prevented,” Rockefeller, a West Virginia Democrat, said in a statement.

Research In Motion is nominating a senior partner from TPG Capital to its board of directors. Timothy Dattles was a former managing director of Goldman Sachs. His nomination goes up for a vote at the BlackBerry maker’s annual meeting in July. If approved, Dattles may help the struggling handset manufacturer weigh its options, including a possible sale of its assets.

Canadian wireless provider Mobilicity is upgrading to HSPA+ just over two years after it launched its network. President and COO Stewart Lyons said in an announcement yesterday that almost 90 percent of the traffic on its network is from mobile broadband services. Mobilicity’s network runs on AWS spectrum acquired in Canada’s 2008 auction.