It's not a done deal just yet, but Bloomberg is reporting that Google could be about to make some big changes to the way it does business with Google Wallet. Citing people with knowledge of the project, Bloomberg says that Google is considering sharing revenue from Google Wallet (specifically that from coupons and special offers) with carriers in an effort to boost adoption of the service, which hasn't exactly taken off as quickly as Google may have hoped (and is also seeing some increased competition). In addition to that, Google is also said to be considering a