Celebrity endorsers, without a doubt, contribute to the success of a particular service or product. U2, in particular, has been a regular face for Apple and its iPod campaign for the past couple of years. However, it seems that their current relationship isn’t as strong as it was back in the day. Word today is that RIM has now taken over as the official sponsor for band’s 360° Tour. Apart from this huge turn of events, there seems to be more in store for U2’s new partnership with the Canadian handset manufacturer.

Here's what Paul McGuinness, U2 manager, had to say about the band's new RIM partnership with RIM.

This tour announcement marks the first stage of a relationship and shared vision between RIM and U2 that we expect will lead to new and innovative ways to enhance the mobile music experience on the BlackBerry platform for U2 fans. We look forward to sharing more details as the relationship unfolds.

While we doubt that this affect the continued growth of iPhone’s sales, this might be the help RIM needs to finally break out of their shell and be a more dominant force in the market.

Of course, you could make a case that U2 isn’t as influential now as they were a few years back, but hey, U2 is still U2. They have some market appeal, and whatever RIM can milk out of their new relationship with the rock band will definitely be a step towards in the right direction.