Until today this was an easy question to answer: as many as you want. However, today LinkedIn informed me that there will now be a maximum of 50 groups per person. The official E-Mail reads like this:
read moreI recently got asked about how to manage LinkedIn invitations which bounced. Yes, sometimes those precious invites that you send out do not get to their intended recepient because either 1) they changed companies/email addresses and never bothered to update their LinkedIn profile, 2) the e-mail address that they have in their profile is misspelled (yes, this does happen!), or 3) their e-mail account is not up to date for a variety of reasons.
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