Updated July 23, 2014 : Aaron Bertrand (@AaronBertrand) of SQL Sentry warns about a parallelism bug in SQL Server 2012 and 2014 that could lead to data loss following online index rebuilds.
Paul White (@SQL_Kiwi) looks into a limitation of filtered indexes and demonstrates some dangers involving performance degradation and the risk of deadlocks.
SQLskills' Glenn Berry (@GlennAlanBerry) talks about the cost and performance aspects of the Azure virtual machines Microsoft is hoping you start adopting.
SQL Sentry's Aaron Bertrand (@AaronBertrand) shows how you can use Extended Events to track temp table creation and identify which session created which #temp table.