Yahoo! Holds Off on Phone Ads

Yahoo! (YHOO - news - Cramer's Take) isn't jumping on the pay-per-call ad bandwagon just yet.

Some analysts see pay-per-call as an untapped and potentially lucrative market for Web companies. The concept got a high-profile endorsement Monday when Google (GOOG - news - Cramer's Take) and eBay (YHOO - news - Cramer's Take) said they would begin testing call services next year as part of their much-discussed advertising alliance