Apple Store set to open right in RIM’s backyard

Apple is preparing to open five new retail stores internationally on Saturday, including one smack dab in the middle of competitor Research In Motion’s home territory of Waterloo, Ontario. It’s a departure from Apple’s usual pattern in Canada — one that sends a clear message.

Psst, Twitter: Your Stickiness Problem Is Showing

Twitter’s decision to send users more email notifications could be a red flag that Twitter is trying to remedy a major stickiness problem, potentially reflecting a major concession for the company: People aren’t engaging with Twitter in the way the founders initially hoped.