A list of the best SharePoint discussion forums and groups

Both new and experienced SharePoint developers, architects and end-users need to discuss problems and chew over ideas about SharePoint. There are quite a few major forums and groups out there,  such as the SharePoint Community Group on Linked, but there are even more! So, to help you find them, here’s a list of the ‘Top SharePoint Discussion forums and groups’. Please vote for your favourites.