Source: Hayley Tsukayama, Washington Post ( Free Registration )

There’s no love lost between Google and Microsoft, and the enmity is rising now that the latter has launched a new campaign accusing Google of bad ad practices on Gmail.

But consumers may want to check their outrage. This territory has been traveled before.

This is Microsoft latest salvo in its “Scroogled” campaign, dinging its archrival for using algorithms to scan Gmail users’ messages and serve ads based on the keywords they find there. This is a favorite target of Microsoft, which has criticized Google for the same practices in the past.

Read Full Article: Microsoft hits Google with e-mail privacy campaign