Apparently there’s still more money towards different ways to share web content… Slingpage, a service for letting users share webpages they find, has raised $2.25 million from unspecified angel investors according to VentureWire. The company’s pitch is that unlike other services, users can share a link and interact with it in real time. The challenge, as explained to TechJournalSouth, is both users need to download its browser extension for it to work.