Security:

• Pinterest clamp down on spam.

Mobile Computing:

• Nokia to bring Lumia smartphones to China starting next month.

• Apple offers refund to new iPad customers in Australia over 4G capabilities.

• Aging BlackBerry line portends weak RIM earnings.

Business Strategies:

• Apple CEO meets with China's vice premier.

• Temple Run and the rise of the free, profitable videogame.

• Adobe reels in game coders with a quick free Flash.

• Microsoft unveils new plan to speed up the web.

Broadband:

• EU reaches deal to lower mobile roaming fees.

• New iPad can be used as Verizon LTE hotspot for over 24 hours.