What's in it for them? I got curious and started looking at the Hubtivity of people who fanned me, whose hub name I did not recognize. I recently got fanned by someone whose Hubtivity went back 20 pages of fanning people. There was maybe 20-40% reciprocal fanning. There were 1 or 2 forum posts, no comments on others' hubs.
i always fan anyone who fans me, unless they look like a total spammer. sometimes i don't check whehn i get fanned, so i end up reciprocal-fanning a lot of people, which may look like a 'fanning spree' on the hubtivity.
i also fan people i think are unusual or interesting.
but i never fan anyone to increase my own fan base. not because that is uncool, i just have my own views about fans and whatnot.
For me I do try to reciprocate and get around to reading others hubs and commenting but when you start getting lots of fans or you have fanned a lot of people it is hard. That is why I get the one email thing where I know who did what during the day but the last two weeks have been crazy for me and I am really behind not to mention behind on writing.
A "fanning spree" means joining the fan club of many different hubbers, one after another in close succession, without doing anything else between each such action. You can tell someone has gone on a fanning spree by looking at their hubtivity.
After seeing Hubbers announce certain milestones such as view numbers, first $100 payouts and HubPages anniversaries I thought that it would be really cool to create a more automated and easily broadcast way to let...
... is I don't always know you're there. It would be nice if hubpages had some way of indicating to you that A) someone has joined your merry band and B) who they are. I look at my list every few days and try to work...